Discophora guianensis Miers

Species

Angiosperms > Aquifoliales > Stemonuraceae > Discophora

Characteristics

Tree or sometimes shrub, to 2  tall; young branches shortly golden-strigose, slightly striate. Petiole 1-2.5 cm long, stout, striate, canaliculate, short-strigose, soon glabrescent; blades coriaceous, oblong to lanceolate-oblong or elliptic-oblong, 12-30 x 4-13 cm, shining and olive-brown to golden-brown above when dried, silvery-or golden-sericeous or sparsely puberulous and soon glabrescent beneath, margins revolute, apex acute or acuminate, acumen 2-4 cm long, base acute, rarely obtuse or rounded; primary vein sulcate above, strongly prominent and striate beneath, secondary veins 7-10 on each side, slightly impressed above, prominent beneath, veinlets prominulous on both sides. Inflorescence to 6 cm long, densely golden strigose, becoming glabrous and stout in fruit; pedicels about 1 mm long; bracts and bracteoles ovate, densely pubescent, 0.5-2 mm long. Calyx glabrescent, 0.5 mm long; petals oblong-elliptic, 2-3 mm long, cream, glabrous except the inside of the inflexed apex; functional stamens to 4 mm long, the anthers 0.7 mm long, in pistillate flowers much smaller; disk eccentric, to 1 mm high, surrounding one half of ovary; functional pistil in female flowers slightly 5-angular or nearly cylindric, about 3 mm long, stigma capitate, rugose, in male flowers ovary abortive, rarely to 1 mm long, completely surrounded by fleshy disk. Drupe to 2 cm long, 1 cm wide and 0.8 cm thick, arcuate, convex side black with 5 sharp ridges, concave side with a white fleshy appendage.
More
Trees or shrubs to 13 m tall; trunk to 10 cm diam.; branches lightly golden strigose. Leaves with petioles 10-25 cm long, stout, canaliculate, strigose to glabrate; blades oblong-lanceolate to elliptic-oblong, 15-30 cm long, 7-13 cm wide, coriaceous, olive brown, silvery-or golden-sericeous or pilose when young, becoming glabrate, the apex acute or acuminate with an acumen to 4 cm long and ultimately rounded, the base acute, rarely rounded, the primary veins 7-10 pairs, arcuate or ascending, the ultimate veins conspicuously reticulated and sharply prominent on both surfaces. Inflorescences paniculate, strongly branched from the base, rarely strict, densely golden-strigose, becoming glabrate and stout in fruit, the bracts lance-ovate or ovate, densely pubescent. Flowers with calyx campanulate, glabrous except for the apices of the teeth; petals cream yellow, obovate to elliptic, 2-3 mm long, glabrous except for minute pubescence on the inside of the inflexed acumen; functional stamens 3.5-4 mm long, the anthers broadly ovate, to 0.7 mm long, the stamens of pistillate flowers much smaller; functional pistil cylindrical or slightly angular and arcuate, 3 mm high, the basal lateral fleshy pulvinus to 1 mm high and surrounding about half of the ovary. Fruits drupaceous, 1-2 cm long, 0.8-1.0 cm wide, 0.9 cm thick, the putamen strongly 5-ribbed on the convex side.
Life form -
Growth form tree
Growth support free-standing
Foliage retention evergreen
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Mature height (meter) 13.0
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Nitrogen fixer -
Photosynthetic pathway c3

Environment

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Hardiness (USDA) 9-12

Usage

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Edible -
Therapeutic use -
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Animal toxicity -

Cultivation

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Images

Leaf

Discophora guianensis leaf picture by Jean-François Molino (cc-by-sa)
Discophora guianensis leaf picture by Jean-François Molino (cc-by-sa)
Discophora guianensis leaf picture by Jean-François Molino (cc-by-sa)

Distribution

Discophora guianensis world distribution map, present in Bolivia (Plurinational State of), Brazil, Costa Rica, Ecuador, Guyana, Panama, Peru, Suriname, and Venezuela (Bolivarian Republic of)

Conservation status

Discophora guianensis threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:607764-1
WFO ID wfo-0000652120
COL ID 36TXR
BDTFX ID -
INPN ID 733458
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Lasianthera amazonica Discophora froesii Discophora panamensis Kummeria brasiliensis Discophora guianensis