Psychotria holtzii (K.Schum.) E.M.A.Petit

Species

Angiosperms > Gentianales > Rubiaceae > Psychotria

Characteristics

Shrub 0.6–3 m. tall, with slender stems, densely pubescent with whitish or ferruginous hairs when young, later glabrescent, the hairs short and spreading, rather stiff on the old shoots.. Leaf-blades small, narrowly elliptic to oblong, 1–4 cm. long, 0.5–1.5 cm. wide, acute or subobtuse at the apex, cuneate at the base, discolorous, glabrous above and beneath, or with some hairs bordering domatia in the nerve-axils and at the base of the midrib beneath; nodules mostly 2, situated at the base of the midrib; petiole 1–2.5 mm. long, densely pubescent with hairs similar to those on the stem; stipules prominently bilobed, becoming blackish, rather rigid and brittle but not persistent; the triangular base 1–2 mm. long, pubescent, the lobes filiform-acuminate, 1–4 mm. long.. Flowers heterostylous, 5-merous, in sessile few-flowered subumbellate inflorescences ± 0.5 cm. long; pedicels 1–3 mm. long, glabrous or slightly pubescent.. Calyx-tube obconic, 0–75 mm. long, ± pubescent; limb very short, 0.5–0.75 mm. long, ± glabrescent; lobes very narrowly triangular or linear, ± unequal, 0.5–2.5(–4) mm. long, glabrous or ± pubescent, occasionally bifid.. Disc fleshy.. Corolla white; buds hairy at apex; tube 3–3.5 mm. long; lobes oblong-elliptic, 1.7–3 mm. long, ± 1 mm. wide, thickened and with a small appendage at the apex.. Stamens with filaments 2 mm. long in short-styled flowers, almost obsolete in long-styled flowers.. Styles 2 mm. long in short-styled flowers, 3.5 mm. long in long-styled flowers; stigma-lobes 0.5–0.7 mm. long.. Drupes crimson-red, with 2 pyrenes, subglobose, ± 5 mm. in diameter, glabrous, crowned by the persistent calyx; pyrenes with dorsal surface slightly ribbed.. Seeds semiglobose, 2.5–3 mm. long and wide, 1.5–2.8 mm. thick, the ventral face with a rather broad fissure; albumen not ruminate.
More
A shrub. It grows 1-3 m tall. The stems are slender. They are hairy with white or rusty hairs when young. The leaves are small and 1-4 cm long by 0.5-1.5 cm wide. There are a few flowers in a group. The fruit are fleshy and bright red. They are 5 mm across.
Life form perennial
Growth form shrub
Growth support -
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.8 - 3.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color -
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a tropical plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

Uses medicinal
Edible fruits
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 holtzii world distribution map, present in Kenya and Tanzania, United Republic of

Identifiers

LSID urn:lsid:ipni.org:names:762244-1
WFO ID wfo-0000286086
COL ID 4PP8L
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Anthospermum holtzii Psychotria holtzii var. pubescens Psychotria holtzii var. holtzii Psychotria holtzii