Psychotria castaneifolia E.M.A.Petit

Species

Angiosperms > Gentianales > Rubiaceae > Psychotria

Characteristics

Shrub 2–3 m. tall; stems glabrous or slightly pubescent when very young.. Leaf-blades oblong-elliptic, 6–12 cm. long, 2–4 cm. wide, acute at the apex, cuneate at the base, ± coriaceous, somewhat shining above, drying reddish brown; very young leaves with ferruginous cobwebby indumentum beneath but soon entirely glabrous on both surfaces or with sparse hairs beneath; midrib impressed above; nodules numerous, situated along the midrib; petiole 0.5–1.5 cm. long, ferruginous pubescent in young leaves but soon glabrous; stipules bilobed, the base oblong-triangular, 0.5–1.1 cm. long, the narrow acuminate lobes 3 mm. long, with indumentum similar to the petiole.. Flowers heterostylous, 5-merous, in rather congested sparsely branched panicles 5–8 cm. long; peduncle 3–6 cm. long (said by Petit to be bialate), pubescent to glabrous; secondary branches up to 5 mm. long; pedicels up to 0.5 mm. long, glabrous or hairy; bracts small.. Calyx hairy or glabrous; tube 0.75 mm. long; limb cupuliform, 1 mm. long, the margin scarcely or only shortly dentate.. Corolla white, glabrous outside; tube 3.75–5 mm. long; lobes ± 3 mm. long.. Stamens with filaments 3 mm. long in short-styled flowers, practically absent in long-styled flowers.. Styles 3.5 mm. long in long-styled flowers, 5.5 mm. long in short-styled flowers; stigma-lobes 0.5–1 mm. long.. Drupes not seen.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 2.0 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
Germination temperacture (C°) -
Germination luminosity -
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Optimum temperature (C°) -
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Vigor -
Productivity -

Distribution

Psychotria castaneifolia world distribution map, present in Tanzania, United Republic of

Conservation status

Psychotria castaneifolia threat status: Endangered

Identifiers

LSID urn:lsid:ipni.org:names:761658-1
WFO ID wfo-0000285298
COL ID 4PNKH
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Psychotria castaneifolia