Plants photographed on Kyffhäuser
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  Home   >   Flora   >   List of families   >   List of genera   >   List of species   >   Asteraceae / Geigeria acaulis

Geigeria acaulis Benth. & Hook.f. ex Oliv. & Hiern


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Geigeria acaulis

Image 1
Habit
09 Apr 2009

Geigeria acaulis

Image 2
Flowers
09 Apr 2009

Geigeria acaulis

Image 3
Habit
12 Apr 2009

Geigeria acaulis

Image 4
Flowers and leaves.
Note silvery, hairy leaves
12 Apr 2009



Family: Asteraceae
Full name: Geigeria acaulis Benth. & Hook.f. ex Oliv. & Hiern
ID status: Fairly certain
Afrikaans common name(s): Perdebynessie
English common name(s): Silver geigeria, Rosulate geigeria
Synonym(s): -
Status: Native
Description: Yellow flowers.

Stemless perennial herb, up to c. 12 cm tall. Leaves basal, subsessile, narrowly oblanceolate, up to 8 x 1 cm, densely covered in grey-white woolly hairs, particularly near the base; apex often mucronate. Capitula sessile, solitary in the basal leaf axils, c. 0.7 cm in diameter, light yellow. Involucral bracts 2-3-seriate, subequal, lanceolate, c. 6 mm long. Ligules on the ray-florets c. 5 mm long, oblanceolate, tubular near the base, 3-dentate at the apex. (from Flora of Zimbabwe website)

Almost acaulescent herb, the stems 0.5–5 cm long. Leaves crowded at the apex of the stem and raised slightly above ground, sessile, linear or narrowly oblanceolate, often conduplicate, 3–10 cm long, 0.2–0.8 cm wide, base attenuate or running on to the stem, margins entire or obscurely denticulate, apex acute and mucronate, araneose-pubescent on both surfaces. Capitula 7–9 mm long, solitary and sessile in the leafaxils; phyllaries green or red-brown with yellow or reddish tips, the outermost white-hairy, ovate, 5–7 mm long, the innermost glabrous but ciliate, subulate; receptacle paleate, the paleae fimbriate and 2.5–3 mm long. Florets yellow; outer florets few, tube narrowly cylindric, 1.6–3 mm long, ray 1–2.5 mm long, 0.4–0.7 mm wide, style 2–4.5 mm long; disc florets few, tube cylindric, 2.2–3 mm long, lobes 0.3–0.5(–0.9) mm long and unequal, one lobe is almost twice as long as the four others, pilose, anthers 0.9–1.5 mm long, style 2.1–2.8 mm long. Achenes ellipsoid, 1.5–1.7 mm long, densely stiff-hairy; pappus of scales, the inner with central barbellate awn to 2 mm long. (from JSTOR Global Plants website / Flora of Tropical East Africa)
Link(s) African Plant Database
JSTOR Plant Science
Kew Herbarium Catalogue
BGBM Berlin-Dahlem - Virtual Herbarium
Züricher Herbarien
iSpot
Flora of Zimbabwe
Fleurs de notre Terre - Galerie Namibie
Tree Atlas of Namibia
Content last updated: 21 Mar 2018


Note: The identification of some of the plants on this website is not 100% certain. Any comments will be highly appreciated. I would also be willing to supply higher resolution images upon request. Please contact me at the e-mail address given below.

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