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Pteronia teretifolia (Thunb.) Fourc.

Species

Angiosperms > Asterales > Asteraceae > Pteronia

Characteristics

Branches glabrous, densely leafy. Leaves alternate, trigonous or linear-subterete, subacute, 0.7-1.3 cm long, fleshy, glabrous. Heads about 12-flowered, solitary, sessile, 1-1.3 cm long, about 1 cm in diameter, oblong or obovoid. Involucral bracts 5-6-seriate; the outer ovate-oblong; the inner lanceolate-linear, obtuse, glabrous, with narrow membranous margins. Corolla 1 cm long, dilated below the middle; lobes 6, linear-lanceolate, subobtuse, 3 mm long. Stamens inserted in the dilated portion; filaments 3.75 mm long, filiform; anthers 3.5 mm, long, linear, acute. Style 1.2 cm long, terete, narrowed below; branches 3-5 mm long, linear, acuminate, acute, papillose on the margin and back. Achenes oblong, 1.2 mm long, villous. Pappus up to 8 mm long, brownish-yellow.
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Much-branched, erect shrub, 0.45-1.20 m high. Leaves alternate, linear-trigonous, apex acute or subacute, glabrous. Capitula discoid, crowded at ends of branches, shortly pedunculate; involucral bracts in many rows, imbricate, lanceolate or narrowly lanceolate, apex subacute, glabrous. Florets yellow. Flowering time Jan.-May, Sept. Pappus of straw-coloured, barbellate bristles, outer more slender than inner. Cypselae turbinate, appressed-hairy.
Much-branched, erect shrublet to 50 cm. Leaves subterete, keeled. Flower heads discoid, crowded at branch tips, cream-coloured or white, 10 x 3 mm.
Much-branched, erect shrublet to 50 cm. Leaves subterete, keeled. Flower heads discoid, crowded at branch tips, cream-coloured or white, 10 x 3 mm.
Life form -
Growth form shrub
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.45 - 1.2
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Flower color
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Environment

Light -
Soil humidity -
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

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

Cultivation

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Distribution

Pteronia teretifolia world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:240317-1
WFO ID wfo-0000027191
COL ID 4PZY9
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pteronia trigona Pteronia baccharoides Osteospermum trigonum Osteospermum teretifolium Pteronia acerosa Pteronia teretifolia
WorldFloraDB 2024