Alchornea costaricensis Pax & K.Hoffm.

Species

Angiosperms > Malpighiales > Euphorbiaceae > Alchornea

Characteristics

Tree to 8 or 10 m high, with dense crown; twigs terete, glabrescent. Leaves chartaceous; petioles (1-) 1.5-4(-9) cm long, pubescent, the hairs straight or some-times stellate, minute; stipules very inconspicuous, less than 0.5 mm long, tri- angular, pubescent; blades ovate-to elliptic-lanceolate, ca 8-15 cm long, 3-6 cm broad, stellate-pubescent when expanding, at length glabrate, usually with 2 foliar glands between midrib and basal nerves, the major veins mostly 5 or 6 on a side, basal pair nearly straight, prominently raised beneath, glabrate, the base obtuse to rounded, the margins rather sparsely crenulate-dentate (ca 6-10 glandular teeth on a side), the apex distinctly and rather abruptly acuminate (acumen ca 1-2 cm long). Spikes stellate-pubescent; c3 axes unbranched mostly 3-8 cm long, with ca 20-30 nodes, flowers mostly 4-6 per bract; 9 2-8(-10) cm long, with mostly 6-15 flowers. Staminate flowers subsessile; buds oblate-subglobose, 1.2-1.5 mm in diam; calyx-lobes 3 or 4; stamens with filaments shorter than anthers, confluent with the disc, the anthers oblong or elliptic, ca 0.7-0.8 mm long. Pistillate flowers subsessile; calyx ca 1.5 mm high, 4-lobed about 2 way to base, densely pubescent; disc not evident; ovary ellipsoid, densely pubescent, ca 1.5 mm high, the styles distinct, unlobed, tapering to long-attenuate tips, 7.5-10 mm long, 0.7-0.9 mm wide at base, stellate-pubescent on the non-stigmatic portion. Capsules obscurely stel-late or glabrate, ca 5-6 mm high, 6.5-8.5 mm broad; seeds elliptic, brownish, ir-regularly tuberculate, 4.8-5.3 mm long, 4.4-4.8 mm broad.
Life form perennial
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality -
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Mature width (meter) -
Mature height (meter) 10.0
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

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Hardiness (USDA) 9-12

Usage

Uses material
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

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Distribution

Alchornea costaricensis world distribution map, present in Costa Rica, Ecuador, Honduras, Nicaragua, and Panama

Conservation status

Alchornea costaricensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:8183-2
WFO ID wfo-0000938604
COL ID BJDZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Alchornea costaricensis Alchornea costaricensis f. longispicata