Camassia Howell ( Latin Camassia howellii ) is a bulbous herbaceous perennial plant , a species of the genus Camassia ( Camassia ) of the subfamily Agavoideae .
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Content
Description
Security Status NatureServe Imperiled : Camassia howellii |
The bulb is ovoid, 1.5-3 cm in diameter [2] .
The leaves are linear in an amount of 4 to 7, 0.5-1.2 cm wide, shorter than the stem, keeled [2] [3] .
Peduncle 1-2 bract-like leaves. The flower brush holds 15–90 flowers and has a length of 20–25 cm. The flowers are actinomorphic, tepals violet-blue, 1-2 cm long and 0.3–0.5 cm wide. After flowering, they twist together around the ovary and fall off early in fruit. The pedicels are thin, 1.5-2.5 cm long. Anthers yellow or purple. It blooms in spring [2] .
The fruit is a box, almost spherical, dull, green, 5-10 mm long and 5-8 mm wide, falls off when ripe; in nests of 2-5 seeds [2] [3] .
The set of chromosomes is 2n = 30 [3] .
Distribution and Ecology
Wet meadows at an altitude of 200-400 m in southwestern Oregon [3] [4] , endemic to the state.
Security
In organizations, NatureServe has a 2G conservation status - endangered. Limited Oregon Endemic. There are about 23 habitats. Many places where plants grow are in danger of extinction due to the development of housing, mining, grazing, fires and road repairs [5] .
Notes
- ↑ For the conventionality of indicating the class of monocotyledons as a superior taxon for the plant group described in this article, see the APG Systems section of the Monocotyledonous article .
- ↑ 1 2 3 4 EDSR .
- ↑ 1 2 3 4 efloras .
- ↑ World Checklist of Selected Plant Families: Royal Botanic Gardens, Kew
- ↑ Comprehensive Report Species - Camassia howellii
Links
- Kamassia . Archived on April 3, 2016. On site Encyclopedia of decorative garden plants.
- Camassia Howell on the North America Flora website . Date of treatment July 26, 2016.