Nolina arenicola
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Nolina arenicola |
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| Correll |
Nolina arenicola is a species of the genus Nolina in the asparagus family (Asparagaceae). English common names are "Sand Sacahuista", "Sand Beargrass" and "Trans-Pecos Beargrass".
description
Nolina arenicola grows without a trunk, is rhizomatous and forms robust clumps up to 1.5 m in diameter. The variable, grass-like, strong, green, concave-convex leaves are 100 to 200 cm long and 3 to 14 mm wide. The leaf margins are finely serrated. The branched inflorescence that begins in the leaves becomes 0.5 to 1 m long. The white to green colored flowers are 2.5 to 3 mm long. The flowering period extends from June to August.
When ripe, the woody capsule fruits are 4 to 7 mm long and wide. The brown, spherical seeds are 3.5 to 6 mm in diameter.
Nolina arenicola is to minus 14 ° C frost-hardy . She is hardly known.
Distribution and systematics
Nolina arenicola is endemic to a restricted area in the US state of Texas at altitudes of 1200 to 1300 m. It is extremely rare. It grows in sandy substrate on flat hills and is associated with Yucca elata .
Nolina arenicola is a member of the Erumpentes section within the genus Nolina . The appearance is similar to Nolina texana , but it forms robust, large clumps. Another representative of the Erumpentes section , Nolina micrantha , which occurs in northern Texas , is smaller than Nolina arenicola .
The first description was in 1968 by Donovan Stewart Correll .
photos
With remains of flowers
Late June in Texas
proof
literature
- Fritz Hochstätter : The Genus Nolina. (Nolinaceae) . Piante Grasse, 2010, p. 17-18 .
Individual evidence
- ^ Donovan Stewart Correll: Some additions to the flora of Texas - IV. In: Madroño . Volume 19, 1968, p. 187.