Anthospermum ammannioides S.Moore

Species

Angiosperms > Gentianales > Rubiaceae > Anthospermum

Characteristics

Leaves in whorls of 3; blades 18–45(65) x (2)3–10(15) mm. (in male often somewhat smaller than in female), narrowly (ob)-lanceolate to oblong-lanceolate, both surfaces sparsely to ± densely covered with very short whitish spreading hairs, but lower surfaces often more densely hairy, particularly on mid-vein, and upper surfaces sometimes ± glabrous; margins usually ± flat; petioles subobsolete or 2–6 mm. long on largest leaves; stipular sheath hairy, with a hairy seta (0.7) 1.5–4(6.5) mm. long, sometimes flanked by a smaller seta on either side.
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Flowers subsessile (female) or with pedicels c. 0.7–1.5(2) mm. long (male), in clusters of many (very many:female) at nodes, inflorescences dimorphic, in female compact, ± cylindrical inflorescence zones 20–45(70) mm. long and 15–20 mm. in diam.; corolla 4-merous (very rarely 5-merous), greenish-yellow, sometimes buds purplish tinged, at least in male hairy outside.
Female: tube 0.3–0.5(0.8) mm. long, lobes 0.2–0.5 x 0.1–0.2 mm.; style (0.5)2–5(6.5) mm. long, stigmas (4.8)6–14 mm. long (much shorter in odd hermaphrodite); ovary 0.7–1 x 0.6–0.8 mm., with 4 indistinct calyx lobes or calyx lobes ± lacking.
Male (odd hermaphrodite): tube (0.5)0.7–1 mm. long, (± narrowly) funnel-shaped, lobes 1.5–2.4 x 0.6–1 mm.; anthers 1.2–1.7 mm. long; male: minute, hardly discernible rudimentary ovary.
Fruit reddish-brown; mericarps (1.5)1.8–2.2(2.4) x 0.8–1 mm., ± oblong to obovate, glabrous, with 2 indistinct, ± triangular calyx lobes 0.1–0.2 mm. long or calyx lobes ± lacking.
Dioecious or ± dioecious (male or female plants occasionally with odd hermaphrodite flowers) shrub, single-stemmed, erect, 1-3 m. tall.
Stems much-branched above, branches ascending to ± erect, densely covered with greyish-white hairs 0.2–0.7 mm. long.
Life form perennial
Growth form shrub
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 3.0
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Environment

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Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) -
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Distribution

Anthospermum ammannioides world distribution map, present in Mozambique and Zimbabwe

Identifiers

LSID urn:lsid:ipni.org:names:743355-1
WFO ID wfo-0000219683
COL ID 5VFBR
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Anthospermum ammannioides