Drimia haworthioides
| Drimia haworthioides | ||||||||||||
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| Drimia haworthioides | ||||||||||||
| Baker |
Drimia haworthioides is a plant of the genus Drimia in the family of asparagaceae (Asparagaceae). The specific epithet haworthioides is derived from the genus Haworthia and the Greek word -oides for 'similar'.
description
Drimia haworthioides is a geophyte that grows individually or forms small groups with white, spread out, succulent roots that can reach a diameter of up to 3 millimeters. The onions have loose, inwardly curved, succulent, pink-violet, club-shaped onion scales. The 5 to 25 millimeters long stalked outer scales are flat and have a hemispherical apical part. They are 15 millimeters long and 12 millimeters wide. The egg-shaped narrowed inner scales, which become smaller towards the center, are 25 millimeters long. The linear-lanceolate leaves form a rosette of leaves . They are green, ciliate, runny, and tubular at their base. The leaves are 35 to 50 millimeters long and 6 to 10 millimeters wide.
The inflorescence is 20 to 24 inches long. The upright, purple flower stem has a diameter of 1 millimeter. The 4 centimeters long and 1 centimeter wide bracts are spurred 2 centimeters long at their base. The inflorescence of the horizontally spreading flowers is 7 to 13 millimeters long. In the lower part it is bulbous and has a diameter of 3 millimeters at the base. Their conspicuously rolled back, whitish and green tepals are not fused together over a length of 7 to 9 millimeters. The 7 to 8 millimeter long, flat stamens pressed against the 10 millimeter long stylus are white and widen towards their base. The dirty brown, mobile, dorsifix anthers are 0.5 millimeters long. The cone-shaped, green ovary has a length of 2 millimeters and is just as wide.
The triangular fruits are 8 millimeters long and 4 millimeters wide. They contain elongated, black, shiny seeds with a length of 5 millimeters and a width of 2 millimeters.
The number of chromosomes is 2n = 18.
Systematics and distribution
Drimia haworthioides is widespread in the South African provinces of the Eastern Cape and Western Cape in the Succulent Karoo and dry savannahs, mostly in the shade of bushes.
The first description by John Gilbert Baker was published in 1875.
proof
literature
- Ernst Jacobus van Jaarsveld : Drimia haworthioides . In: Urs Eggli (Hrsg.): Succulent lexicon. Monocotyledons . Eugen Ulmer, Stuttgart 2001, ISBN 3-8001-3662-7 , pp. 289-290 .
Individual evidence
- ↑ Urs Eggli, Leonard E. Newton: Etymological Dictionary of Succulent Plant Names . Springer, Berlin / Heidelberg 2010, ISBN 978-3-642-05597-3 , p. 105.
- ^ Drimia haworthioides at Tropicos.org. In: IPCN Chromosome Reports . Missouri Botanical Garden, St. Louis
- ↑ The Gardeners' Chronicle . New series, Volume 3, 1875, p. 366 ( online ).
Web links
- Drimia haworthioides in the Red List of South African Plants
- photos