Psychotria laui Merr. & F.P.Metcalf

Species

Angiosperms > Gentianales > Rubiaceae > Psychotria

Characteristics

Shrubs, 1-2 m tall; stems glabrous. Petiole 0.3-0.6 cm, glabrous; leaf blade drying papery, reddish brown, elliptic, elliptic-oblong, or lanceolate, 5-11 × 1.5-3.5 cm, glabrous on both surfaces, base acute to cuneate, margins flat or weakly crisped, apex acute to shortly acuminate; secondary veins 6-8 pairs, not forming a submarginal vein, without domatia; stipules caducous, triangular, interpetiolar or shortly united around stem, 2-5 mm, glabrous, acute. Inflorescences terminal, capitate, glabrous to puberulent, pedunculate; peduncle 1-3.5 cm; heads 1 or rarely 2, hemispherical, 1-2 cm in diam.; outermost bracts connate into a cupuliform involucre 5-6 mm, marginally irregular. Flowers sessile. Calyx with hypanthium portion turbinate, ca. 2 mm, glabrous; limb ca. 2 mm, deeply 5-lobed; lobes narrowly triangular, densely hirsute, ciliate. Corolla white, funnelform, glabrous outside; tube 2-3 mm, densely villous in throat inside; lobes subelliptic to triangular, 1-1.2 mm, apex rostrate. Drupes ellipsoid, oblong-ellipsoid, or narrowly ovoid, 6-8 mm, color not noted; pyrenes longitudinally 4-or 5-ridged. Fl. Jul.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.0 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
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 -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Psychotria laui world distribution map, present in China and Viet Nam

Identifiers

LSID urn:lsid:ipni.org:names:762422-1
WFO ID wfo-0000286347
COL ID 4PPFB
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Psychotria laui Cephaëlis laui