Anthospermum dregei Sond.

Species

Angiosperms > Gentianales > Rubiaceae > Anthospermum

Characteristics

Dwarf shrub, 'male', ('female' + 'male'), ('female' + 'male' ) + 'female' or 'female', manystemmed, diffusely to ± regularly branched, often ± rounded. Stems c. 150-400 mm long, branches ± irregular (especially if browsed), often divaricate. Leaves decussate, sometimes ± pseudoverticillate; blades 4-14(-20) x 1.0-4.0(-4.5) mm, ± ovate, oblong-lanceolate to ± lanceolate, ± membranaceous to thickish, glabrous or with a few papillae on margins, upper and/or lower surface; upper surface sometimes distinctly purplish brown, lower surface (light) green; margins ± revolute, convoluted rolled or ± flat; petioles ±0-1 mm long; stipular sheath with or without a minute seta. Flowers subsessile (only in 2 pedicels occasionally to 1 mm long), in clusters of 2-6 at nodes; corolla 4-merous (in 2 occasionally also 5-merous), greenish yellow to creamy yellow or reddish purple, at least outside, sometimes papillate, 'male', ('female' + 'male'): buds 2.5-4 mm long; tube 0.7-1.4(-1.8) mm long, (narrowly) funnel-shaped to ± cylindrical, lobes 1.5-3.2 x 0.5-1.2 mm; anthers 1.3-2.8 mm long; ('female' + 'male' ): stigmas 2, c. 1-3 mm long, greyish white, ovary c. 0.7-1.5 x 0.5-1 mm, often with 4 indistinct calyx lobes; 'male': small rudimentary ovary present. 'Female': tube ±0 or 0.1-0.7 mm long, lobes 0.2-1.3(-2.0) x 0.1-0.5 mm; style 0-0.7 mm long, stigmas 2, (2.5-)3.0-8.5 mm long, greyish white or (seldom) reddish purplish; ovary as in 2 or somewhat larger. Fruit reddish brown, shiny; mericarps (1.5-)1.8-2.7 x 0.8-1.5 mm, ± oblong, glabrous or with a few papillae, mostly with 2 indistinct ± triangular calyx lobes to c. 0.2-0.3 mm long.
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Stem erect; branches spreading, minutely downy; leaves opposite, elliptic, ovate or oblong, mucronulate, glabrous, when young minutely downy, rusty beneath, with, slightly recurved margins; flowers tetrandrous, solitary; fruit (when young) obovate; mericarps glabrous, punctulate. A foot or more high, with a long, nearly simple, woody root. Twigs reddish or brown. Internodes longer than the leaves. Stipules very small. Leaves shortly petiolate, 3-4 lines long, 2 lines broad. Corolla with a short tube. Anthers linear, white. Stigmas long, hairy. Ripe fruit unknown.
Dwarf, non-dioecious shrub, up to 0.4 m tall. Leaves 4-ranked, in clusters, ovate to oblong-lanceolate, tough and thickish, mostly papillate on one or both surfaces, ± discolorous. Flowers in axillary clusters, ± sessile, yellowish to reddish purple.
Dwarf shrub to 40 cm. Leaves decussate, lanceolate. Flowers in axillary clusters, yellowish.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.4
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-7
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

Anthospermum dregei world distribution map, present in Namibia and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:743368-1
WFO ID wfo-0000219906
COL ID 5VFBV
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Anthospermum dregei

Lower taxons

Anthospermum dregei subsp. dregei Anthospermum dregei subsp. ecklonis