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Pteronia punctata E.Phillips

Species

Angiosperms > Asterales > Asteraceae > Pteronia

Characteristics

A small shrub with the habit of P. inflexa; branchlets minutely whitish pubescent, becoming glabrous with age. Leaves opposite or sometimes the upper ones alternate, obovate-oblong to linear-oblong, obtuse, narrowed at the base, 0.5-1.9 cm long, 3-6.5 mm broad, flat, punctate with black dots, glabrous, setulosely ciliate. Heads many-flowered, terminal, solitary, sessile, 1.5-1.7 cm long, cylindric-campanulate. Involucral bracts 5-7-seriate, closely imbricate, oblong-orbicular, prominently saccate below the apex, with membranous margins, glabrous. Corolla 1 cm long; lobes 1.5 mm long, ovate or lanceolate, subacute. Stamens inserted about 2/3 down the tube; filaments 2.5 mm long, filiform; anthers 4 mm long, linear, subacute. Achenes 3 mm long, oblong in outline, densely appressed-villous. Pappus light straw-coloured, as long as the corolla.
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Subshrub, up to 0.6 m high; sparsely branched. Leaves opposite, upper ones sometimes alternate, sessile; blade obovate-oblong to linear-oblong, apex obtuse, narrowed at base, punctate with black dots, margins ciliate, otherwise glabrous. Heads discoid, terminal, solitary. Involucral bracts 5-7-seriate, imbricate, oblong-orbicular, saccate below apex, margins membranous, glabrous. Flowers: disc florets only, yellow; Aug.-Oct., Feb. Fruit with cypsela oblong, densely appressed-hairy. Pappus of straw-coloured, subplumose bristles, outer more slender than inner.
Sparingly branched subshrub, 0.15-0.60 m high. Leaves opposite, upper ones sometimes alternate, obovate-oblong to linear-oblong, apex obtuse, narrowed at base, punctate with black dots, glabrous, margins ciliate. Capitula discoid, terminal, solitary; involucral bracts in many rows, imbricate, oblong-orbicular, saccate below apex, margins membranous, glabrous. Florets yellow. Flowering time Aug.-Oct. Pappus of straw-coloured, subplumose bristles, outer more slender than inner. Cypselae oblong, densely appressed-hairy.
Life form -
Growth form shrub
Growth support free-standing
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Sexuality hermaphrodite
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Mature width (meter) -
Mature height (meter) 0.38 - 0.6
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Environment

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Soil humidity 1-3
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Hardiness (USDA) 9-11

Usage

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Cultivation

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Distribution

Pteronia punctata world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:240299-1
WFO ID wfo-0000042462
COL ID 4PZXN
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pteronia punctata
WorldFloraDB 2024