Anthospermum comptonii Puff

Species

Angiosperms > Gentianales > Rubiaceae > Anthospermum

Characteristics

Dioecious dwarf shrub, many-stemmed, ± regularly to diffusely branched, rounded to ± cylindrical or, if browsed, low cushion-like; with thick woody, sometimes twisted (tap-)root to c. 10(-20) mm in diam. Stems to c. (200-)300 mm long, branches few to numerous, ascending to ± erect, often irregular and ± spine-tipped if browsed. Leaves decussate; blades 5-8(-10) x 0.8-1.2 mm, narrowly ovate-lanceolate to linear-lanceolate (broader, to 2 mm, on new growth of browsed plants), thickish and ± tough, glabrous except for odd papillae on margins; upper surface shiny, with large conspicuous epidermis cells, midrib below often ± prominent and broad; margins usually revolute; petioles subobsolete; stipular sheath with an often indistinct minute seta. Flowers subsessile (in fruiting ('female') pedicels occasionally c. 0.2-1 mm long), single or paired at nodes; corolla 4-merous, (greenish) yellow or (dark) purplish at least outside, glabrous or occasionally papillate near tip ('male'): buds 3.5-4.2 mm long; tube 1-1.7 mm long, (narrowly) funnel-shaped, lobes 2.7-3.2 x 0.7-1 mm; anthers 1.9-2.4 mm long; small rudimentary ovary present, often with broad ± rounded calyx lobes to 0.3 mm long ('female'): tube 0.1-0.2 mm long or ± 0, lobes 0.7-0.8(-1) x 0.2-0.3 mm; style ±0-0.7 mm long; stigmas 2, 2.7-5.6 mm long; ovary 1-1.4 x 0.5-0.9 mm, with ± indistinct calyx lobes. Fruit reddish brown, shiny; mericarps 2.7-3 x 1.5-1.7 mm, ± obovate, glabrous or(rarely)with odd papillae, with 2 ± indistinct, rounded to ± triangular calyx lobes c. 0.1-0.3 x 0.3 mm.
More
Low, dwarf shrub, 0.1-0.3 m high. Leaves narrowly ovate-lanceolate to linear-lanceolate, thick, shiny above, midrib prominent and broad below, margins revolute, papillate; petioles subobsolete; stipular sheath with indistinct minute seta. Flowers single or paired at nodes. Corolla greenish yellow, glabrous. Male flowers: tube 1.0-1.7 mm long; buds up to 4.2 mm long; anthers ± 1.9-2.4 mm long; small rudimentary ovary. Female flowers: tube ± 0.1-0.2 mm long or absent; style up to 0.7 mm long, stigma ± 5.6 mm long; ovary ± 1.4 x 0.9 mm; indistinct calyx lobes. Flowering time Aug.-Oct. Fruit shiny, reddish brown, mericarps ± 3 x 1.7 mm, ± obovate.
Dioecious dwarf shrub to 30 cm. Leaves decussate, lanceolate. Flowers in axillary clusters, yellowish.
Life form perennial
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality dioecy
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1 - 0.3
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 7-8
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 comptonii world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:930048-1
WFO ID wfo-0000219873
COL ID 5VFC8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Anthospermum comptonii