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Ochrosia kauaiensis

H.St.John (1978)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Gentianales Family: Apocynaceae Genus: Ochrosia

hōlei [holei]

Description

Key Characters:

Growth Form: Trees 6–8 m tall; glabrous with milky sap.

Stems:

Roots:

Leaves: Leaves simple. Whorled (3–4 per node). Blades narrowly elliptic to oblanceolate, blades 7–18 cm long, (2–)4–7.1 cm wide. Apex acute to rounded. Base cuneate. Surfaces glabrous. Margins entire. Lateral veins conspicuous especially on lower surface, arising at nearly right angles to the midrib. Most of the secondary veins not anastomosing nor conspicuous. Petioles 1.2–3 cm long. Stipules absent.

Flowers: Flowers in strongly congested inflorescences, subtended by small, opposite, ovate bracts; primary peduncles 0.2–1.5 cm long, secondary ones 0.2–0.8 cm long, pedicels 0–1 mm long. Flowers bisexual (perfect), usually numerous. Calyx deeply 5-lobed, the lobes ovate, imbricate; ca. 4 mm long. Corolla salverform, 5-lobed, the tube cylindrical, the lobes greenish white to white, oblong–elliptic; tube 11–12 mm long, the lobes 7–8 mm long. Stamens 5, inserted on the corolla tube just below the mouth but not exserted. Ovary superior, 2, distinct or basally connate; ovules 2–4 per ovary; style connate in the upper ⅓; stigma bifid.

Fruit: Fruit drupaceous; firm and fleshy; drying hard; usually both ovaries maturing. drupes yellowish brown at maturity; smooth; lanceoloid; 3.6–5.7 cm long; 1.5–2.6 cm wide. Seeds 1 per fruit; ovate; strongly flattened.

Ploidy:

Habitat: Rare in mesic forest.

Elevation Range: 200–350 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Adansonia, n.s., 18: 212 (1978)

Other References

Wagner et al. 1990:218 (K)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Perlman, S. Kauai BISH 1977-09-08
2 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Diospyros sandwicensis - Metrosideros wet forest. With Aleurites moluccana, Psychotria mariniana, Santalum freycinetianum var pyrularium, Pouteria sandwicensis, Pleomele aurea, Psydrax odorata, Rauvolfia sandwicensis, Hibiscus kokio ssp sainjohnianu Preserved_Specimen Scattered trees 6-8 meter ht with flowers and fruit Perlman, S. 22244 Kauai BISH 2009-11-09
3 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1733 Kauai BISH 1909-03-03
4 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Davis, J. Kauai BISH 1984-07-18
5 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 700 Kauai BISH 1916-10-12
6 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed mesic forest. W/ Acacia koaia, Dicranopteris linearis, Psychotria mariniana, Bobea elatior, Hibiscus clayi, Pisonia sandwicensis, Bidens forbesii, Pleomele aurea, Ochrosia kauaiensis, Euphorbia celastroides var. am Preserved_Specimen tree 5 m tall, in flower no fruit, ca. 6 trees observed Wood, K.R. 14711 Kauai BISH 2011-07-17
7 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Faurie, A. 433 Kauai BISH 1910-01-01
8 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details mesic forest; Aleurites, Diospyros, Nestegis, Wikstroemia oahuensis, Freycinetia arborea, Ochrosia kauaiensis, Psydrax odorata Preserved_Specimen 6 m tree; moderately branched; stems brown; flower; fruit Wood, K.R. 12147 Kauai BISH 2006-09-23
9 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros - Diospyros sandwicensis mesic forest. With Wikstroemia oahuensis, Psychotria mariniana, Pouteria sandwicensis, Psydrax odorata, Pisonia wagneriana, Ochrosia kauaiensis, Eugenia reinwardtisana. \\nWeeds: Aleurites moluccana, Clidemia hirta Preserved_Specimen Scattered trees 5-8 ft ht with flowers and fruit Perlman, S. 23003 Kauai BISH 2012-09-19
10 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details woods Preserved_Specimen 20' tree, milky sap St.John, H. 10994 Kauai BISH 1931-01-02
11 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Diospyros-Metrosideros mixed mesic forest with Psychotria mariniana, Psydrax odorata, Bobea brevipes, Planchonella sandwicensis, Eugenia reiwardtiana, Rauvolfia sandwicensis and succession of invasive non-native plant taxa. Preserved_Specimen Tree, ca. 20 trees in immediate area, in flower and fruit, mapped. Wood, K.R. 17544 Kauai BISH 2017-10-03
12 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details NE exposure on steep rocky slope Preserved_Specimen to 30' tree; petals 4 or 5, white with small yellow area on each apex; tube greenish white Flynn, T.W. 1555 Kauai BISH 1986-02-24
13 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Diospyros ferrea dryland forest. Preserved_Specimen Buds cream colored, corolla lobes white, the eye pale cream colored. Other trees at 800-1200 ft. alt. Christensen, C. 54 Kauai BISH 1976-08-28
14 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Aleurites, Diospyros, Nestegis, Pisonia umbellifera, Wikstroemia oahuensis, Freycinetia arborea, Rauvolfia sandwicensis, Ochrosia kauaiensis, Psydrax odorata Preserved_Specimen tree; flower; early fruit Wood, K.R. 12973 Kauai BISH 2008-05-08
15 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details dry forest; with Psychotria, Diospyros, Osmanthus, Cyanea, Planchonella, Alyxia, Pisonia, Charpentiera, Aleurites, Pleomele Preserved_Specimen Christensen, C. 42 Kauai BISH 1976-08-01
16 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Diospyros ferrea dryland forest. Preserved_Specimen Buds cream colored, corolla lobes white, the eye pale cream colored. Other trees at 800-1200 ft. alt. Christensen, C. 54 Kauai BISH 1976-08-28
17 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Moist lower forest Preserved_Specimen Tree 8 m X 2 dm St.John, H. 23188 Kauai BISH 1948-01-01
18 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Aleurites non-native forest and relictual Diospyros-Nestegis mesic forest with Psychotria mariniana, P. greenwelliae, Pandanus tectorius, Wikstroemia oahuensis, Freycinetia arborea, Ochrosia kauaiensis, Psydrax odorata, Rauvolfia sandwicensis, Pittosporum napaliensis, Santalu Preserved_Specimen Tree tagged Och Kau A Hoo #0008, 8 meters tall with flower and fruit, near Pritchardia napaliensis. Wood, K.R. 17554 Kauai BISH 2017-10-18
19 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details woods Preserved_Specimen 20' tree, milky sap St.John, H. 10994 Kauai BISH 1931-01-02
20 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details with Alyxia, Psychotria, Metrosideros, Cyanea, Hibiscus st johnianus; Pleomele, Diospyros, Schefflera, Psidium, Aleurites, Cordyline Preserved_Specimen 30' x 18 tree; ~15' spread Wichman, C. 227 Kauai BISH 1989-12-28
21 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details woods Preserved_Specimen 20' tree, milky sap St.John, H. 10994 Kauai BISH 1931-01-02
22 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen 6' tree, dark green, glossy foliage; dull, pale below Herbst, D.R. 1099 Kauai BISH 1968-05-01
23 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 75 Kauai BISH 1909-07-19
24 Ochrosia kauaiensis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree ~ 3 m tall, white flowers and flower buds present, flowers unfurled straighter than adjacent trees, leaked white latex when cut. L. Miike 1 Kauai BISH 2024-06-30
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