Nolina humilis
| Nolina humilis | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
Nolina humilis |
||||||||||||
| Systematics | ||||||||||||
|
||||||||||||
| Scientific name | ||||||||||||
| Nolina humilis | ||||||||||||
| S. Watson |
Nolina humilis is a species of the genus Nolina in the asparagus family (Asparagaceae). An English common name is "San Luis Potosi Beargrass".
description
Nolina humilis grows without a trunk, is rhizomatous and forms clumps 0.4 to 0.8 m in diameter. The variable, grass-like, green to yellow leaves that fall to the ground are 50 to 100 cm long and 3 to 6 mm wide. The leaf margins are finely serrated.
The short, slightly branched inflorescence in the leaves becomes 0.3 to 0.5 m to 1 m long. The cream-colored flowers are 1 to 2 mm long. The flowering period is in April.
When ripe, the globular, woody capsule fruits are 2 to 4 mm in diameter. The brown, spherical seeds are 2 to 4 mm in diameter.
Nolina humilis is to minus 10 ° C frost-hardy . She is hardly known.
Distribution and systematics
Nolina humilis is extremely rare. It is common in Mexico in the state of San Luis Potosí in a limited area at altitudes of 1,800 to 2,000 m. It is associated with Dasylirion species.
Nolina humilis is within the genus Nolina a member of the Section nolina . Characteristic are the grass-like, long leaves, which have similarities with the geographically isolated Nolina lindheimeriana . However, the leaves of Nolina lindheimeriana are broader and have a longer inflorescence.
The first description was in 1879 by Sereno Watson . A synonym is Nolina watsonii (Baker) Hemsl.
proof
literature
- Fritz Hochstätter: The Genus Nolina. (Nolinaceae) . Piante Grasse, 30, Supplemento al fasc. 1, pp. 1–50, 2010, p. 13
Individual evidence
- ^ Sereno Watson: Contributions to American Botany. IX, 2. Descriptions of some New Species of North American Plants. In: Proceedings of the American Academy of Arts and Sciences . Volume 14, 1879, p. 248, online .
