Psychotria densa W.C.Chen

Species

Angiosperms > Gentianales > Rubiaceae > Psychotria

Characteristics

Shrubs, 1-3 m tall; stems densely dark hirtellous to tomentulose. Petiole 1.5-7.5 cm, densely hirtellous; leaf blade drying papery or thinly leathery, dark brownish gray or greenish gray, elliptic, elliptic-oblong, or oblong-oblanceolate, 10-26 × 4-12.5 cm, glabrous adaxially, hirtellous abaxially with pubescence denser along principal veins, base cuneate to obtuse, margins flat, apex acute or shortly acuminate; secondary veins 12-18 pairs, forming a weak to distinct submarginal vein, without domatia; stipules caducous, broadly triangular to triangular-ovate, interpetiolar, 10-15 mm, densely hirtellous to tomentulose, acute to acuminate or bilobed for 1/10-1/3, lobes ligulate to deltoid, rounded to acute or acuminate. Inflorescences terminal, congested-cymose to thyrsiform, many flowered, densely hirtellous to tomentulose, pedunculate; peduncle 1-3 cm; branched portion pyramidal to rounded, 3-7 × 2.5-7.5 cm; bracts triangular to ovate, 1-4 mm, often glabrescent. Flowers sessile or subsessile. Calyx glabrous; hypanthium portion obconic, ca. 2 mm; limb 0.5-1.2 mm, lobed for ca. 1/2; lobes triangular. Corolla presumably white, tubular, glabrous outside; tube ca. 4 mm, in throat white villous; lobes triangular-oblong, ca. 2 mm. Drupes red, ellipsoid, 8-10 × 5-6 mm; pyrenes 3-or 4-ribbed. Fl. Apr-May, fr. Jun-Jan of following year.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

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

Usage

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

Cultivation

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

Distribution

Psychotria densa world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:961401-1
WFO ID wfo-0000285567
COL ID 4PNT4
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Psychotria densa