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Eucalyptus cornuta

Labill. (1800)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Myrtales Family: Myrtaceae Genus: Eucalyptus

yate tree

Description

Key Characters:

Growth Form: Trees 10–25 m tall.

Stems: Sometimes mallees or shrubs ca. 10 m tall, bark dark gray or black, rough, hard, furrowed on trunk and larger branches, smaller branches gray to grayish brown, smooth.

Roots:

Leaves: Leaves simple. Adult Alternate. Blades lanceolate to broadly lanceolate, 8–14 cm long, 1–2.7 cm wide. Apex acuminate. Blades concolorous. Margins entire. Petioles 5–15 mm long. Stipules vestigial or absent.

Flowers: Flowers 11–15 in axillary, simple umbels, peduncles flattened, 17–30 mm long, pedicels absent. buds horn–shaped or narrowly cylindrical, 21–38 mm long, 5–10 mm wide. Flowers bisexual (perfect), actinomorphic. Calyx modified into an operculum; operculum horn-shaped. Stamens numerous, in several whorls; anthers dithecal. Ovary inferior; ovule placentation axile.

Fruit: Fruit hemispherical or campanulate; crowded; 7–14 mm long; 6–13 mm wide; valves 3; exserted. Seeds numerous.

Ploidy: 2n = 22

Habitat: Planted and occurring sporadically on the island of Hawai'i.

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

O'ahu Unknown
Molokai Only found in cultivation
Lana'i Only found in cultivation
Hawai'i Naturalized

Dispersal Agents

Forestry

Pollinators

Bibliography

Name Published In: Voy. Rech. Pérouse 1: 457 (1800)

Other References

Wagner et al. 1990:952 (H); Staples & Herbst 2005:417, 420 (KEY), 423 (DESCR)

Occurrences

SNo. Scientific Name Scientific Name Authorship Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Eucalyptus cornuta Labill. koele PRESERVED_SPECIMEN munro, g.c. collector number: 536 Lanai BISH 3/1/1916
2 Eucalyptus cornuta Labill. waialua, hawaii rare in the valley, abundant on ridges above. PRESERVED_SPECIMEN russ, g.w. collector number: s.n. Hawaii BISH 8/8/1928
3 Eucalyptus cornuta Labill. kualapuu, molokai PRESERVED_SPECIMEN munro, g.c. collector number: 111 Molokai BISH 6/27/1927
4 Eucalyptus cornuta Labill. Koele PRESERVED_SPECIMEN Munro, G.C. 64 Lanai BISH 2/1/1926
5 Eucalyptus cornuta Labill. koele PRESERVED_SPECIMEN munro, g.c. collector number: 169 Lanai BISH 5/4/1927
6 Eucalyptus cornuta Labill. koele On rocks and tree trunk, in partial shade. PRESERVED_SPECIMEN munro, g.c. collector number: 064 Oahu BISH 2/1/1926
7 Eucalyptus cornuta Labill. Waialua, Hawaii PRESERVED_SPECIMEN Russ, G.W. s.n. Hawaii BISH 4/11/1905
8 Eucalyptus cornuta Labill. Kualapuu, Molokai PRESERVED_SPECIMEN Munro, G.C. 111 Molokai BISH 6/27/1927
9 Eucalyptus cornuta Labill. Tantalus, Oahu PRESERVED_SPECIMEN 6047 Oahu BISH 11/1/1909
10 Eucalyptus cornuta Labill. Koele PRESERVED_SPECIMEN Munro, G.C. 536 Lanai BISH 3/1/1916
11 Eucalyptus cornuta Labill. Koele PRESERVED_SPECIMEN Munro, G.C. 169 Lanai BISH 5/4/1927
12 Eucalyptus cornuta Labill. Waimea, roadside windbreak, el. 3000 ft PRESERVED_SPECIMEN Ewart III, G.R. 155 Hawaii BISH 1/12/1932
13 Eucalyptus cornuta Labill. waimea, roadside windbreak, el. 3000 ft PRESERVED_SPECIMEN ewart iii, g.r. collector number: 155 Hawaii BISH 1/12/1932
14 Eucalyptus cornuta Labill. tantalus, oahu PRESERVED_SPECIMEN collector number: 6047 Oahu BISH 11/1/1909
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