Osteospermum nordenstamii J.C.Manning & Goldblatt

Species

Angiosperms > Asterales > Asteraceae > Osteospermum

Characteristics

Gnarled, dwarf shrublet to 100 mm high, flowering on densely leafy short-shoots; vegetative shoots prostrate and laxly leafy with internodes 10-15 mm long, stems smooth and weakly compressed when young and flushed reddish, ±2 mm diam., glabrescent with thinly scattered, eglandular hairs, developing a pale brownish, corky bark, greyish and rectangularly fissured when old, 3-4 mm diam. Leaves opposite, decussate, suberect, oblanceolate, (9-)15-30(-35) x (3-)4-8 mm, sessile, connate for up to 3 mm and shortly sheathing at base of short shoots, obtuse or rarely apiculate, leathery or sub-succulent, pubescent when young with mix of straggling, eglandular hairs and short, gland-tipped hairs, especially along margins but subglabrous when fully expanded, densely woolly in axils, adaxial surface flat or shallowly concave, margins yellowish-translucent and horny, prominent when dry, abaxial midrib prominent basally and decurrent on stem. Capitula heterogamous, radiate, ±25 mm diam., shortly pedunculate, solitary and terminal on short shoots, rarely a second capitulum developing from an axillary shoot near apex, nodding in fruit; peduncles 15-25 mm long and 0.5-0.8 mm diam. but up to 1.0 mm diam. in fruit, leafless but with 1 or 2 scattered, linear-subulate bracts 3-5 mm long, thinly pubescent with a mix of straggling, eglandular hairs and short, gland-tipped hairs, flushed purple; involucre shallowly campanulate, ±10 mm diam.; involucral bracts 15-17, sub-uniseriate or biseriate, lanceolate, 5-6 x 1.5-2.0 mm, acute, ± glabrous or thinly puberulous with scattered gland-tipped hairs, with scarious margins 0.3-0.5 mm wide; receptacle flat, glabrous. Ray florets female-fertile, 20 to 22, tube glandular-pubescent, ±1 mm long, lamina spreading but recoiling in afternoon, narrowly elliptic, 4-veined, ± twice as long as involucre, 11-12 x 4 mm, dull yellow; anthers vestigial, free, reduced to 4 subulate staminodes, yellow; style terete, branching ±1 mm above mouth of tube, branches narrowly elliptic-lanceolate, obtuse, ±1.5 mm long, yellow, lateral margins stigmatic; ovary obovoid, 3-angled, ±2 mm long, glandular-pubescent; achenes homomorphic, 3-winged, 10-12 x 8-10 mm, body narrowly turbinate, ±7 mm long, subglabrous or sparsely glandular-pubescent, with apical, trifenestrate airchamber, windows subrotund, ±1 mm diam., wings translucent, flushed purple, 3-4 mm wide. Disc florets functionally male, numerous; corolla narrowly funnel-shaped, ±4 mm long, yellow tipped blackish; tube glandular-pubescent, ±3 mm long; lobes suberect, triangular, ±1 mm long; anthers 2 mm long, dark purple with yellow filaments; base tailed, tails equalling filament collar; apical appendage ovate. Ovary compressed-ovoid with lateral ribs, ±1 mm long, glabrous; style terete, bifid, lobes deltoid, acutely papillate with basal fringe of longer trichomes.
Life form -
Growth form shrub
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.1
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Flower color -
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Fruit color -
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Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
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Hardiness (USDA) 9-11

Usage

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

Cultivation

Mode -
Germination duration (days) 10 - 15
Germination temperacture (C°) 15 - 18
Germination luminosity light
Germination treatment -
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Optimum temperature (C°) -
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Distribution

Osteospermum nordenstamii world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77123599-1
WFO ID wfo-0001334458
COL ID 75CZ6
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Osteospermum nordenstamii