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Melicope quadrangularis

(H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone (1989)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Sapindales Family: Rutaceae Genus: Melicope

alani, alani kuahiwi

Description

Key Characters:

Growth Form: Shrubs or small trees, new growth yellowish brown appressed puberulent, soon glabrate.

Stems:

Roots:

Leaves: Leaves simple. Opposite. Blades elliptic to elliptic–obovate, 9.5–16 cm long, 4.5–7.5 cm wide. Apex rounded to subacute. Base cuneate. Upper surfaces glabrate; lower surfaces sparsely pilose, especially along veins; blades thin, coriaceous. Margins entire. Primary lateral veins 18–20 pairs, connected by an arched vein 1–2 mm from margin, venation pinnate, lateral veins connected by an arched submarginal vein, higher order venation forming a reticulate pattern. Petioles 10–12 mm long. Stipules absent.

Flowers: Flowers 1–2 in glabrous, axillary cymes, peduncles 0–30 mm long, pedicels 20–35 mm long, bracteoles sparsely puberulent, bracts small, opposite. Floral details unknown. Calyx of 4 sepals; sepals white or white tinged pink or purple. Corolla of 4 petals; petals white or white tinged pink or purple. Stamens 8. Ovary superior, 4-celled and 4-lobed, carpels connate, only slightly distinct at apex to almost entirely distinct; ovules 2 per cell, hemitropous, 1 ascending; style 1, terminating in 4 short stigmatic branches.

Fruit: Capsules depressed–cuboid; 12–14 mm long; 19–22 mm wide; carpels completely connate; apex with a conspicuous central depression; exocarp very sparsely puberulent; endocarp glabrous; the carpels dehiscing along the upper suture; exocarp. Seeds 1–2 per cell; glossy black when ripe; crustaceous; ovoid; sometimes angled from compression; embryo straight in fleshy endosperm; radicle short; cotyledons compressed; ovate; putamen brown; warty.

Ploidy:

Habitat: Montane near Wahiawa bog

Elevation Range: 920 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Taxon 38: 122 (1989)

Other References

Wagner et al. 1990:1202 (K [as Pelea quadrangularis]); Hartley & Stone 1989:122 (COMBNOV, Syn. P. quadrangularis = M. quadrangularis); Lorence et al. 1995:53 (REDISCOVER); Wood 2012:99 (EXTINCT); Wood & Kirkpatrick 2014:30 (REDISCOVER)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and matting ferns of Diplopterygium & Dicranopteris PRESERVED_SPECIMEN K. R. Wood 15728 Kauai PTBG 11/19/2013
2 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris low statured wet forest with wind swept ridge and riparian vegetation PRESERVED_SPECIMEN K. R. Wood 18372 Kauai PTBG 1/30/2020
3 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN c. n. forbes 273.k Molokai US
4 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Forbes, C. N. 273.K Kauai US 8/9/2020
5 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN c. n. forbes 273 US 8/7/1909
6 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Forbes, C.N. 273.K Kauai BISH 8/1/1909
7 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information An escape from forestry plantings, now naturalized at least as far N as Mahinahina and at least as far S as Honokowai Valley. PRESERVED_SPECIMEN tangalin, n. edmonds, m. collector number: 2878 Maui BISH 10/25/2011
8 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN forbes, c.n. collector number: 273.k Kauai BISH 8/8/1909
9 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN forbes, c.n. collector number: 273.k Kauai BISH 8/8/1909
10 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information PRESERVED_SPECIMEN Forbes, C.N. 273.K Kauai BISH 8/1/1909
11 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Wahiawa Mts., Lihue-Koloa Frorest Reserve, Northeast of Kapalaoa Peak. Montane Wet Metrosideros-Cheirodendron-Dicranopteris Forest W. Broussaisia arguta, Hedyotis terminalis, Ilex anomola, Eurya sandwicensis, Melicope clusifolia, Dubautia, Pipturus ruber, Diplopterygium pinnatum, Psychotria mariniana, Platydesma spathulata, Myrsi PRESERVED_SPECIMEN Tangalin, N. 2878 Kauai BISH 10/25/2011
12 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris lowland wet forest PRESERVED_SPECIMEN K. R. Wood 858 Kauai PTBG 5/20/1991
13 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris low statured wet forest with wind swept ridge and riparian vegetation PRESERVED_SPECIMEN K. R. Wood 18376 Kauai PTBG 1/30/2020
14 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and steep windswept shrubland slopes with matting ferns of Diplopterygium and Dicranopteris. PRESERVED_SPECIMEN K. R. Wood 15773 Kauai PTBG 12/30/2013
15 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and matting ferns of Diplopterygium & Dicranopteris. PRESERVED_SPECIMEN K. R. Wood 15832 Kauai PTBG 2/20/2014
16 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Windswept Ridge with Metrosideros-Dicranopteris-Machaerina PRESERVED_SPECIMEN Natalia Tangalin 4391 Kauai PTBG 8/27/2015
17 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Montane Wet Metrosideros-Cheirodendron-Dicranopteris Forest PRESERVED_SPECIMEN Natalia Tangalin 3667 Kauai PTBG 1/22/2014
18 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Montane Wet Metrosideros-Cheirodendron-Dicranopteris Forest PRESERVED_SPECIMEN Natalia Tangalin 3666 Kauai PTBG 1/22/2014
19 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and matting ferns of Diplopterygium & Dicranopteris PRESERVED_SPECIMEN K. R. Wood 17980 Kauai PTBG 11/15/2018
20 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and steep windswept shrubland slopes with matting ferns of Diplopterygium and Dicranopteris. PRESERVED_SPECIMEN K. R. Wood 15780 Kauai PTBG 12/30/2013
21 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and matting ferns of Diplopterygium & Dicranopteris. PRESERVED_SPECIMEN K. R. Wood 15833.02 Kauai PTBG 2/20/2014
22 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris Lowland Wet Forest PRESERVED_SPECIMEN K. R. Wood 859 Kauai PTBG 5/20/1991
23 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Cheirodendron mixed wet forest with dissecting drainages and steep windswept shrubland slopes with matting ferns of Diplopterygium and Dicranopteris. PRESERVED_SPECIMEN K. R. Wood 15781 Kauai PTBG 12/30/2013
24 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros wet forest. PRESERVED_SPECIMEN Emory Griffin-Noyes EGN 655 Kauai PTBG 1/31/2014
25 Melicope quadrangularis (H.St.John & E.P.Hume) T.G.Hartley & B.C.Stone Contact Bishop Museum Botany department for locality information Metrosideros-Dicranopteris Lowland Wet Forest. PRESERVED_SPECIMEN K. R. Wood 858 Kauai PTBG 5/20/1991
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