Plants photographed on Kyffhäuser
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Geigeria acaulis Benth. & Hook.f. ex Oliv. & Hiern


Geigeria acaulis

Habit



Family: Asteraceae
Full name: Geigeria acaulis Benth. & Hook.f. ex Oliv. & Hiern
Location: Kyffhäuser (2416AD + 2416CB)
ID status: Fairly certain
Afrikaans common name(s): Perdebynessie
English common name(s): Silver geigeria, Rosulate geigeria, Hairy vomitdaisy
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
iNaturalist (Namibia / Alex Dreyer)
iNaturalist (Namibia)
iNaturalist (southern Africa)
Flora of Zimbabwe
Fleurs de notre Terre - Galerie Namibie
Tree Atlas of Namibia
Photographer: AA Dreyer
Date of photograph: 09 Apr 2009
Camera make: Canon
Camera model: PowerShot A700
Lens aperture: f/4.0
Shutter speed: 1/500 s
ISO speed: -
Content last updated: 01 Jun 2020


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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