Baynesia lophophora
| Baynesia lophophora | ||||||||||||
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Baynesia lophophora |
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| Scientific name of the genus | ||||||||||||
| Baynesia | ||||||||||||
| Bruyns | ||||||||||||
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| Baynesia lophophora | ||||||||||||
| Bruyns |
Baynesia lophophora is the only plant species of the monotypic genus Baynesia from the subfamily of the silk plants (Asclepiadoideae). The botanical name of the genus refers to the occurrence in the Baynes Mountains of Namibia.
description
Vegetative characteristics
Baynesia lophophora grows as a clump-forming stem succulent with upright shoots. The four-edged, soft, green shoots are somewhat papillae . They are 3 to 8 inches long and 0.6 to 1.2 inches wide. Their conical warts are flattened on the sides. The decrepit, heart-shaped, flattened conical, pointed leaflets are 1 to 1.5 millimeters long.
Inflorescences and flowers
The seated inflorescence close to the tip is provided with bracts. The inflorescence is one to three flowered (rarely up to five flowered). Your flower stalk is about 2 millimeters long. The lanceolate sepals have a length of 1.5 millimeters. The bell-shaped corolla is greenish on the outside and chestnut brown on the inside. It is 3 to 4 millimeters long and 6 to 8 millimeters wide. The key-shaped corolla tube is about 1 millimeter long and 3 millimeters wide. The triangular, upright corolla lobes are about 2 millimeters long and 2 millimeters wide. Along their angularly vaulted midrib, they are roughly papillary. The two-row, transparent to chestnut brown secondary crown has a length of about 1 millimeter and a width of 2 millimeters. The interstaminal secondary crown is fused flat, bowl-shaped at the base. Their tips are triangular, pointed, ascending and merge with the wing-like widened base. The free tips are elongated, blunt, about 0.5 millimeters long and lie on the rectangular stamens . Your yellow, ellipsoidal pollinium is about 0.17 millimeters long and 0.3 millimeters wide.
Fruits and seeds
The slender spindle-shaped fruits are 25 to 35 millimeters long and reach a diameter of 2.5 to 3.5 millimeters. They contain light brown seeds that are 5 millimeters long and 1.5 to 2 millimeters wide.
Systematics, distribution and endangerment
Baynesia lophophora is common in northwestern Namibia .
The first description of the species and their only previous way was made in 2000 by Peter Vincent Bruyn .
Baynesia lophophora is in the endangered Red List species the IUCN as " Least Concern (LC) ", d. H. classified as not endangered.
proof
literature
- Focke Albers, Ulli Meve (ed.): Succulent lexicon . Asclepiadaceae (milkweed family). tape 3 . Eugen Ulmer, Stuttgart 2002, ISBN 3-8001-3982-0 , pp. 16 .
- Ulrich Meve: Baynesia and Socotrella - still little known taxa of the Stapeliinae . In: Cacti and other succulents . Volume 60, Number 8, 2009, pp. 211-214.
Individual evidence
- ^ PV Bruyns: Baynesia, a New Genus of Stapeliad from the Northwestern-Most Corner of Namibia (Apocynaceae) . In: Novon . Volume 10, Number 4, 2000, pp. 354-358 (JSTOR) .
- ↑ Baynesia lophophora in the endangered Red List species the IUCN 2011. Posted by: Craven, P., 46,825th Accessed December 3, 2011 ..
