Catha edulis

(Vahl) Forssk. ex Endl. (1841)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Celastrales Family: Celastraceae Genus: Catha

khat

Description

Key Characters:

Growth Form: Evergreen shrubs, 1–5 m tall.

Stems: Young branches flattened with white, fine lenticels, glabrous becoming terete (cylindrical) with maturity.

Roots:

Leaves: Leaves simple. Opposite on mature branches and alternate on juvenile branches. Blades elliptic or narrowly elliptic, 4–7 × 2–4 cm. Apex obtusely shortly acuminate. Base narrowly attenuate, slightly decurrent. Blades leathery. Margins obtusely serrate. Veins pinnate, secondary veins reticulate. Petioles 3–8 mm. Stipules c. 2 mm. long, triangular-acicular.

Flowers: Flowers in axillary cymes single, small, 1.5–2 × as wide; peduncle 5–10 mm, 2–4–branched, branches short, less than 3 mm; pedicel 1–3 mm, up to 5 mm in fruit. Flowers bisexual (perfect), 3–5 mm in diameter. Calyx of 5 sepals, triangular–ovate, ca. 1 mm. Corolla of 5 petals, white, narrowly ovate or narrowly oblong. Stamens 5; filamentous, shorter than corolla. Disk thin, cupuliform, weakly 5-lobed, intrastaminal; anthers longitudinally dehiscent, introrse. Ovary superior, free, surrounded by disk, 3-locular; ovules erect, 2 per locule; stigma 3-lobed.

Fruit: Capsules orange–red; cylindric; ca. 8 × 3–4 mm; dehiscing from above; loculicidally in 3 valves; usually only 1 seed maturing per valve. Seeds black–brown; narrowly ovoid; 3–4 mm; with membranous basal wing.

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

  • Yes

Natural History

Statewide Status

Naturalized

Island Status

Kaua'i Only found in cultivation
O'ahu Naturalized

Dispersal Agents


Pollinators

Specimens

Bibliography

Name Published In: Ench. Bot.: 575 (1841)

Other References

Frohlich & Lau 2012:32 (NEWNAT/O, DESCR)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Catha edulis Koloa, Lawai Valley, National Tropical Botanical Garden; Med. Area Preserved_Specimen Flynn, T.W. 5513 Kauai BISH 1994-01-31
2 Catha edulis Foster Botanic Garden dappled shade Preserved_Specimen Lau, J. 2454 Oahu BISH 1986-05-23
3 Catha edulis Elehaha drainage, upper Waimea Roadside vegetation. Preserved_Specimen Kawelo, K. Oahu BISH 2003-12-09
4 Catha edulis Wahiawa Botanic Garden Preserved_Specimen Hutchison, P.C. 2850 Oahu BISH 1967-01-18
5 Catha edulis Wahiawa, HSPA former nursery Preserved_Specimen Pearsall, G.A. Oahu BISH 1954-09-20
6 Catha edulis Honolulu, Foster Botanical Garden Preserved_Specimen Miller, J.S. 7854 Oahu BISH 1992-07-30