Arrowsmithia pulvinaris (N.E.Br.) N.G.Bergh

Species

Angiosperms > Asterales > Asteraceae > Arrowsmithia

Characteristics

Heads peduncled, 1-1.8 cm in diam. (including the rays); peduncles 0.8-2.7 cm long, copiously albo-tomentose. Involucre scales bluntly keeled, with the apices often slightly reddish brown; outer scales 2.5-4 mm long, 1-1.5 mm broad, ovate, acuminate; the inner 5-7 mm long, 1.5 mm broad, elliptic-ovate, much acuminate; the innermost 7-9 mm long, 1 mm broad, linear to linear-lanceolate, membranous, acuminate. Ray florets 9-13; lamina oblong to oblong-elliptic, broad, truncate, broadly 3-toothed; tube 3.5 mm long, cylindric, becoming glandular hairy above. Ovary shortly pubescent, with retrose hairs; style 6 mm long; branches 2 mm long, obtuse. Corolla-tube of disc florets 6 mm long, cylindric for two-thirds of its length, then abruptly campanulate, in some flask-shaped at the lower third, glabrous except just below the campanulate portion; lobes 0.5 mm long, quite glabrous. Ovary shortly pubescent, with ascending hairs; style 6 mm long, 2-branched; branches 2 mm long, truncate and papillose, with the apices slightly enlarged. Pappus bristles persistent, sub-equalling the corolla-tube. Shrub up to 30 cm high and 46 cm in diam.; leaves 0.5 to 1.3 cm long, ascending) crowded, subacute with a distinct somewhat curved mucro, very densely glandular hairy with stalked glands on the upper surface, white-woolly below.
More
Dwarf, much-branched shrub, 0.45-0.90 m high, forming low, compact cushions, young stems densely leafy. Leaves linear, acute, up to 20 x 1.25 mm, margins strongly revolute, lower surface white-woolly, glabrescent, upper surface glandular-hispid. Capitula solitary at branch tips; involucre turbinate, ± 8-10 x 10 mm; bracts straw-coloured. Flowers yellow, rays female, discs hermaphrodite. Flowering time Dec. Pappus of ± 17 bristles, subequal, the longest equalling disc corolla, persistent.
Fruticulus hemisphaericus, densissime ramosus, 1 ped. Altus, folia conferta, 3-4 lin. longa, 1/3-1/2 lin. Lata, linearia, glanduloso-scabrida, dorso vittis 2 albo-tomentosis instructa. Capitula Terminalia, solitaria, radiate, 5 lin. diam. Pedunculus 1-1 1/2 lin. Longus, albo-tomentosus. Involucri squamae lineares, acuminatae, imbricatae, interiors 3-4 lin. longa, ligulata, lutea; disci 2 lin. longa. Lutea. Achaenia pubescentia.
Life form -
Growth form shrub
Growth support free-standing
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Sexuality hermaphrodite
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Mature height (meter) 0.38 - 0.6
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Environment

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Soil texture 7-8
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Hardiness (USDA) 9-11

Usage

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Cultivation

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Distribution

Arrowsmithia pulvinaris world distribution map, present in Lesotho and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77181956-1
WFO ID wfo-0001422125
COL ID GV5Q
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Macowania pulvinaris Arrowsmithia pulvinaris