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Pteronia hutchinsoniana Compton

Species

Angiosperms > Asterales > Asteraceae > Pteronia

Characteristics

Frutex erectus. Caules rigidi teretes, cicatricibus subconnatis instructi, juventute subfusci, maturitate obscuri-ores, minute albo-puberuli. Folia opposita, subimbricata, subconnata, e base lata oblonga obtusa, valide carinata, laete viridia, rigida, glabra, marginibus subincurvatis setoso-dentatis. Capitula solitaria terminalia sessilia erecta, cylindrico-obconica, long 1-1 1/4 in., ore diam. 1/2 in. Bracteae involucri foliis transeuntis, 5-6-seriatae, gradatae, intimae long. 3/4 in., lat. 3 lin., ovato-lanceolatae obtusae glabrae, parte medio fusco, alis pellucidis albis membranaceis lacgratis. Receptaculum paleis scariosis anguste triangularibus dentatis inter floribus instructum. Flores c. 12. Corolla albida long. 7 lin., lobis obtusis long. 1/4 lin. Antherae parum exsertae, long. 4.2 mm [as '2 lin.'] Styli rami long. 1 1/2 lin., apicibus subulatis. Achaenia pilis basalibus. Pappi setae fuscae rigidae barbellatae, basi connatae, long. 6 lin.
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Erect shrub. Leaves opposite, slightly stem-clasping at base, glabrous apart from bristly dentate margins. Flowerheads discoid, solitary, terminal, oblong-cylindrical; involucral bracts ovate-lanceolate, obtuse, centre brown, margins membranous, whitish; disc florets white. Cypselas with long hairs from base.
Rigid, much-branched, scabridulous shrub to 1 m. Leaves oblong-lanceolate, keeled, roughly ciliate on margins. Flower heads discoid, solitary at branch tips, cream-coloured or yellow, 25-35 x 8-12 mm; bracts brown with broad membranous, fringed margins.
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Growth form shrub
Growth support free-standing
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Sexuality hermaphrodite
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Environment

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Soil humidity 1-3
Soil texture 6-8
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Usage

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Cultivation

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Images

Pteronia hutchinsoniana unspecified picture

Distribution

Pteronia hutchinsoniana world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:240265-1
WFO ID wfo-0000088099
COL ID 4PZWL
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Pteronia hutchinsoniana
WorldFloraDB 2024