Euphorbia celastroides

Boiss. (1862)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Malpighiales Family: Euphorbiaceae Genus: Euphorbia

‘akoko [akoko], ‘ekoko [ekoko], koko, kōkōmālei [kokomalei]

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Description

Key Characters:

Growth Form: Shrubs or small trees (0.4–)1–8(–9) m tall.

Stems: Stems prostrate to erect, glabrous to villous, flowering branches often nodose, 1–4(–6) mm in diameter.

Roots:

Leaves: Leaves simple. Opposite, distichous. Blades oblong, obovate, or oblanceolate to elliptic or linear, (4–)10–70(–80) mm long, (3–)5–30(–40) mm wide. Apex acute to obtuse, retuse or mucronulate. Base cuneate to obtuse, oblique. Upper surfaces glabrous; lower surfaces glabrous to pilose or villous, sometimes glaucous. Margins entire. Petioles (0.5–)1–5(–6) mm long, glabrous to villous. Stipules acute to rounded–triangular, 1–4(–6) mm long, glabrous to villous, erose, ciliate.

Flowers: Flowers in cyathia in short or open branched cymes or solitary in the leaf axils, peduncles (0.5–)2–10(–19) mm long, glabrous to villous. involucre campanulate, (1–)1.5–3 mm high, 2–4mm wide, glabrous to villous, glands 4–5, green or red, glabrous to pilose. Flowers unisexual and highly reduced. Pistillate flowers solitary, on a gynophore; staminate flowers in 5 groups or cymules, each with 1 to several flowers. Calyx (sepals) absent. Corolla (petals) absent. Male flower reduced to a single stamen, with an articulation at junction of pedicel and filament, subtended by slender bracteoles. Ovary superior; styles yellow, green, or red, bifid less than ½ to more than ½ their length, 0.5–1(–1.5) mm long, glabrous to pubescent; stigma thickened.

Fruit: Capsules green to brown; ovoid to rounded–triangular; (0.5–)2–4 mm long; glabrous to pubescent; gynophores erect; exserted 0.5–1 mm from involucre; glabrous to pubescent. Seeds brown to gray; (0.5–)1–2(–2.5) mm long; tetragonal to obcompressed; smooth to rugose.

Ploidy: 2n = ca. 38*

Habitat: Coastal vegetation and mesic forest.

Elevation Range: 0–1,800 m.

Historical Distribution

Images

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Ka'ula Endemic
Ni'ihau(Incl. Lehua) Endemic
Kaua'i Endemic
O'ahu Endemic
Molokai Endemic
Lana'i Endemic
Kaho'olawe Endemic
Maui Endemic
Hawai'i Endemic
Nihoa Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: A.P.de Candolle, Prodr. 15(2): 11 (1862)

Other References

Wagner et al. 1990:606 (O [as Chamaesyce celastroides var. tomentella]); Oudejans 1989:44/Govaerts et al. 2000:692 (COMBNOV:Syn. C. celastroides var. tomentella = Euphorbia celastroides var. tomentella); Steinmann & Porter 2002/Yang & Berry 2011 (molecular support for nesting of Chamaesyce within Euphorbia)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Euphorbia celastroides Boiss. Hanalei District. Lower Limahuli Valley Preserve, up gulch from plank/board stream crossing and swimming hole, on top of the ridge that ends in The Fin. Degraded Diverse Mesic Forest W/Metrosideros, Dicranopteris, Freycinetia, Dianella, Psychotria, Diospyros, Pteralyxia, Pleomele, Psydrax, Santalum freycinetianum var. pyrularium, Pandanus tectorius, Aleurites, Lantana, Rauvolfia. PRESERVED_SPECIMEN Tangalin, N. 3292 Kauai BISH 8/27/2012
2 Euphorbia celastroides Boiss. na pali coast trail near kee beach PRESERVED_SPECIMEN henrickson, j.s. collector number: 3889 Kauai BISH 7/1/1969
3 Euphorbia celastroides Boiss. kaala mts PRESERVED_SPECIMEN u.s. exploring expedition collector number: s.n. Oahu BISH
4 Euphorbia celastroides Boiss. Kaala Mts PRESERVED_SPECIMEN U.S. Exploring Expedition s.n. Oahu BISH
5 Euphorbia celastroides Boiss. started at jeep trail and followed ridge crest towards nawiliwili -- 3 peaks covered PRESERVED_SPECIMEN herbst, d.r. james, m.; bishop, l.e. collector number: 2450 Kauai BISH 5/29/1972
6 Euphorbia celastroides Boiss. Waimea District. Polihale State Park, dunes in front of reef zone near Queens Pond Dunes in front of reef zone. Coastal dry mixed community of w/Scaevola taccada, Sida fallax, Sporobolus virginicus, Ipomoea imperati, Mama sandwicensis, Chamaesyce celastroides var. stokesii & C. c. var. celastroides, Ophioglossum polyphyllum, Vitex rotundifo PRESERVED_SPECIMEN Wood, K.R. 16167 Kauai BISH 12/14/2014
7 Euphorbia celastroides Boiss. kawaihau district: nonou forest reserve, crest of sleeping giant mountain PRESERVED_SPECIMEN lorence, d.h. lorence, g.; goo, l. collector number: 5548 Oahu BISH 9/13/1987
8 Euphorbia celastroides Boiss. east Maui, upper Auwahi. on steep bank. Vegetation: Sophora, Dodonaea, Leptecophylla, Osteomeles, Pteris, Dryopteris, Asplenium. Polystichum, Pteridium, Polypodium, Deschampsia, Psilotum, Pennisetum, Holcus, Anthoxanthum, Bidens, Ageratina. PRESERVED_SPECIMEN Oppenheimer, H.L. H21306 Maui BISH 2/15/2013
9 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 8054 WIS
10 Euphorbia celastroides Boiss. Puu Koae Island off the south coast of Kahoolawe. PRESERVED_SPECIMEN Hobdy, R.W. 1040 Kahoolawe BISH 3/21/1981
11 Euphorbia celastroides Boiss. Waimea District. Polihale State Park Dunes in front of reef zone near Queens Pond. Coastal dry mixed community w/Scaevola taccada, Sida fallax, Sporobolus virginicus, Ipomoea imperati, Nama sandwicensis, Chamaesyce celasstroides var. stokesii & C. c. var. celastroides, Ophioglossum polyphyllum, Vitex rotunidifo PRESERVED_SPECIMEN Wood, K.R. 16168 Kauai BISH 12/14/2014
12 Euphorbia celastroides Boiss. on the hanapepe and wahiawa watershed PRESERVED_SPECIMEN a. a. heller 2441 A 1895-06-25
13 Euphorbia celastroides Boiss. niihau PRESERVED_SPECIMEN e. j. rémy 595 A
14 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN john j. fay 166 CHRB
15 Euphorbia celastroides Boiss. lae o kilauea, kauai Ubiquitous on red earth & cliffs, near ocean PRESERVED_SPECIMEN degener, o.; hatheway, w.h. 20428 CM 1/30/1950
16 Euphorbia celastroides Boiss. nw kauai: pu'u ka pele forest reserve, w of waimea canyon, e of ka'aweiki ridge.; 22.105139 -159.682611 full sun exposure PRESERVED_SPECIMEN richard spjut; richard marin 15585 CM 9/11/2003
17 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN a. a. heller 2441 Maui US 1895-06-24
18 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN A. A. Heller 2441 F 1895-06-24
19 Euphorbia celastroides Boiss. koke'e state park. awa awa puhi trail. possible host plants of ptycta spp. (bark lice), in conjunction with emilie bess' ph.d thesis research, university of illinois. PRESERVED_SPECIMEN mary merello|emilie bess|kevin johnson merello 3244 F 4/8/2008
20 Euphorbia celastroides Boiss. along the hanapepe river, near the falls PRESERVED_SPECIMEN a. a. heller 2441 GH
21 Euphorbia celastroides Boiss. koke's state park. kalua puhi trail. Possible host plants of Ptycta spp. (Bark lice). Shrub 3 - 4 meter; white latex, female collected, fruits maturing to purple. In conjunction with Emilie Bess Ph.D. thesis research, University of Illinois. 22?Á 8' 56" N; 159?Á 38' 28" W. 1266 meter elevation. PRESERVED_SPECIMEN mary merello, emile bess, & kevin johnson 3244 ILLS 4/8/2008
22 Euphorbia celastroides Boiss. lahaina, w. maui Yellow-flowered shrub; fruit also present. PRESERVED_SPECIMEN degener, o.; murashige, t. 19796 LSU 8/7/1949
23 Euphorbia celastroides Boiss. maui. [lat/long is for maui island.] PRESERVED_SPECIMEN hillebrand, w.b. s.n. MEL
24 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 11392 MU
25 Euphorbia celastroides Boiss. banks of the hanapepe river Lowland mesic forest PRESERVED_SPECIMEN a. a. heller 2441 NY 1895-06-24
26 Euphorbia celastroides Boiss. lai, hi panit, lanai PRESERVED_SPECIMEN otto degener | isa degener 28,375 PH 7/31/1963
27 Euphorbia celastroides Boiss. kalamaula , mololkai PRESERVED_SPECIMEN noah pekelo jr. 27,819 PH 11/27/1961
28 Euphorbia celastroides Boiss. wahiawa bog. along summit, rainy forest PRESERVED_SPECIMEN william l. stern, richard catron 3089 PH 3/24/1974
29 Euphorbia celastroides Boiss. kohala, hawaii PRESERVED_SPECIMEN degener, otto 8037 NY 3/22/1930
30 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN Stern WL; Herbst DR Stern, WL; Herbst, DR 2985 L
31 Euphorbia celastroides Boiss. University of Hawaii campus PRESERVED_SPECIMEN CE Jones 10 MACF 2/8/1979
32 Euphorbia celastroides Boiss. island of kauai, on the hanapepe and wahiawa watershed River banks PRESERVED_SPECIMEN heller, a.a. 2441 MIN 1895-06-25
33 Euphorbia celastroides Boiss. Koke'e State Park. Awa awa puhi Trail. Possible host plants of Ptycta spp. (Bark lice), in conjunction with Emilie Bess' Ph.D thesis research, University of Illinois. PRESERVED_SPECIMEN Mary Merello|Emilie Bess|Kevin Johnson Merello 3244 Missouri Botanical Garden 4/8/2008
34 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener, isa degener 27431 MO
35 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN sherwin cariquist 527 MO
36 Euphorbia celastroides Boiss. plants of the hawaiian islands; hanapepe and wahiawa watershed PRESERVED_SPECIMEN heller, a. a. MSC 1895-06-25
37 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 8090 MU
38 Euphorbia celastroides Boiss. island of kauai, along the hanapepe river near the falls PRESERVED_SPECIMEN a. arthur heller heller 2429 NLU 1895-07-02
39 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener, isa degener 25236 NY
40 Euphorbia celastroides Boiss. kaluoohu valley PRESERVED_SPECIMEN charles n. forbes forbes 355,mo NY 8/15/1912
41 Euphorbia celastroides Boiss. Kokee State Park, Awaawapuhi Trail. PRESERVED_SPECIMEN Mary Merello 3244 Kauai PTBG 4/8/2008
42 Euphorbia celastroides Boiss. Lower Limahuli Valley. Ridge on W side of valley. Remnant patch of lowland native mesic forest dominated by Diospyros spp. PRESERVED_SPECIMEN Clay Trauernicht 601 Kauai PTBG 11/6/2008
43 Euphorbia celastroides Boiss. Kauaula, southeastern rim. Mixed mesic shrubland and forest with steep to vertical rocky slopes and ridges. PRESERVED_SPECIMEN K. R. Wood 12104 Maui PTBG 8/24/2006
44 Euphorbia celastroides Boiss. Lower Limahuli Valley. Ridge on W side of valley. Remnant patch of lowland native mesic forest dominated by Diospyros spp. PRESERVED_SPECIMEN Clay Trauernicht 602 Kauai PTBG 11/6/2008
45 Euphorbia celastroides Boiss. Hawaiian Islands; Lanai. Arid plain near Halulu Gulch. PRESERVED_SPECIMEN O. Degener; I. Degener, E. J. P. R. Desha, E. Desha, R. Hobdy 24165 SFV 8/20/1957
46 Euphorbia celastroides Boiss. Along Hanapepe River, near the falls. PRESERVED_SPECIMEN Heller, A. A. 2441 Kauai US 1895-00-00
47 Euphorbia celastroides Boiss. Mixed montane wet forest PRESERVED_SPECIMEN otto degener 27178 Kauai US
48 Euphorbia celastroides Boiss. along keomuku hwy. Arid, rocky plain PRESERVED_SPECIMEN o. degener & i. degener 28369 Lanai US 7/17/1963
49 Euphorbia celastroides Boiss. kalani, kaluakoi. PRESERVED_SPECIMEN h. st. john 23486 Kauai US 12/24/1948
50 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN w. l. stern & s. carlquist 1258 Kauai US
51 Euphorbia celastroides Boiss. Kalani, Kaluakoi. PRESERVED_SPECIMEN St. John, H. 23486 Molokai US 12/24/1948
52 Euphorbia celastroides Boiss. Along Hanapepe River. PRESERVED_SPECIMEN Heller, A. A. 2441 Kauai US 1895-00-00
53 Euphorbia celastroides Boiss. hamakua district, waimanu trail, on outer western slope of waipi`o valley PRESERVED_SPECIMEN l. cuddihy & s. anderson 786 Hawaii US 3/28/1981
54 Euphorbia celastroides Boiss. Hamakua District, Waimanu Trail, on outer western slope of Waipi`o Valley PRESERVED_SPECIMEN Cuddihy, L. W.; Anderson, S. 786 Hawaii US 3/28/1981
55 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN s. carlquist 527 Kauai US
56 Euphorbia celastroides Boiss. Along Keomuku Hwy. Arid, rocky plain PRESERVED_SPECIMEN Degener, O.; Degener, I. 28369 Lanai US 7/17/1963
57 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 8050 US
58 Euphorbia celastroides Boiss. Hamakua District, Waimanu Trail, on outer western slope of Waipi`o Valley PRESERVED_SPECIMEN L. Cuddihy & S. Anderson 786 Hawaii US 3/28/1981
59 Euphorbia celastroides Boiss. Onini Gulch PRESERVED_SPECIMEN Russell, C. s.n. Molokai US 10/16/1986
60 Euphorbia celastroides Boiss. along hanapepe river, near the falls. PRESERVED_SPECIMEN a. a. heller 2441 Kauai US 1895-06-24
61 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN w. l. stern & s. carlquist 1333 Kauai US
62 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN derral herbst 2383 WIS
63 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 28369 WIS
64 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 8066 WIS
65 Euphorbia celastroides Boiss. kohala, hawaii PRESERVED_SPECIMEN degener, otto 8088 WIS 8/9/1926
66 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 27819 WIS
67 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 12507 WIS
68 Euphorbia celastroides Boiss. Koolau Mts., Honolulu District, Niu, Kulepiamoa Ridge On dry, exposed ridge top. PRESERVED_SPECIMEN Herbst, D.R. 5975 Oahu BISH 10/30/1977
69 Euphorbia celastroides Boiss. kohala PRESERVED_SPECIMEN otto degener degener 8037 Hawaii US 3/22/1930
70 Euphorbia celastroides Boiss. along hanapepe river. PRESERVED_SPECIMEN a. a. heller 2441 Kauai US 1895-07-02
71 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN derral herbst 2352 VT
72 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN otto degener 8092 WIS
73 Euphorbia celastroides Boiss. PRESERVED_SPECIMEN w. l. stern & s. carlquist 1284 Kauai US
74 Euphorbia celastroides Boiss. Waimea District. Polihale State Park Dunes in front of reef zone near Queens Pond. Coastal dry mixed community w/Scaevola taccada, Sida fallax, Sporobolus virginicus, Ipomoea imperati, Nama sandwicensis, Chamaesyce celasstroides var. stokesii & C. c. var. celastroides, Ophioglossum polyphyllum, Vitex rotunidifo PRESERVED_SPECIMEN Wood, K.R. 16169 Kauai BISH 12/14/2014
75 Euphorbia celastroides Boiss. koolau mts., honolulu district, niu, kulepiamoa ridge On dry, exposed ridge top. PRESERVED_SPECIMEN herbst, d.r. obata, j. collector number: 5975 Oahu BISH 10/30/1977
76 Euphorbia celastroides Boiss. National Tropical Botanical Garden in Lawai Valley. McBryde Garden, Big Valley, upper native Hawaiian section just W of road. PRESERVED_SPECIMEN Lorence, D.H. 10422 Kauai BISH 10/2/2013
77 Euphorbia celastroides Boiss. Started at jeep trail and followed ridge crest towards Nawiliwili -- 3 peaks covered PRESERVED_SPECIMEN Herbst, D.R. 2450 Kauai BISH 5/29/1972
78 Euphorbia celastroides Boiss. east Maui, Wailuku District. Keokea, SE Pu`u O Kali Vegetation: Erythrina, Diospyros, Sophora, Myoporum, Sideroxylon, Polyscias, Nothocestrum, Sida, Chenopodium, Nototrichium, Dodonaea, Capparis, Cocculus, Sicyos, Lipochaeta, Pellaea, Doryopteris, Ipomoea, Argemone, Waltheria, Prosopis, Melia, Leucaena, Neonotonia, Melinis, Verbesina, Lantana. PRESERVED_SPECIMEN Oppenheimer, H.L. H111312 Maui BISH 11/25/2013
79 Euphorbia celastroides Boiss. Polihale State Park, dunes in front of reef zone near queens Pond. Coastal dry mixed community w/Scaevola taccada, Sida fallax, Sporobolus virginicus, Ipomoea imperati, Nama sandwicensis, Chamaesyce celastroides var. stokesii & C. c. var. celastroides, Ophioglossum polyphyllum, Vitex rotundifo PRESERVED_SPECIMEN Wood, K.R. 16170 Kauai BISH 12/14/2014
80 Euphorbia celastroides Boiss. Hawaii Loa ridge trail. PRESERVED_SPECIMEN Allison, A. s.n. Oahu BISH 10/31/2020