Amsonia kearneyana
Amsonia kearneyana | |
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Scientific classification | |
Kingdom: | Plantae |
Clade: | Tracheophytes |
Clade: | Angiosperms |
Clade: | Eudicots |
Clade: | Asterids |
Order: | Gentianales |
Family: | Apocynaceae |
Genus: | Amsonia |
Species: | A. kearneyana
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Binomial name | |
Amsonia kearneyana Woodson [2]
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Amsonia kearneyana is a rare species of flowering plant in the
This is a perennial herb growing from a thick root in rocky, cobbly alluvial soils. It produces up to 50 hairy stems reaching up to 90 centimetres (35 in) in height, forming a hemispherical clump which may be nearly 2 metres (6 ft 7 in) across. The lance-shaped leaves are up to 10 centimetres (4 in) long and 1 or 2 centimetres (3⁄8 or 3⁄4 in) wide. The inflorescence bears clusters of white flowers each 1 or 2 centimetres (3⁄8 or 3⁄4 in) long. The corolla is tubular opening into a flat face with short, rounded lobes. The fruit is a follicle which may be 10 centimeters in maximum length. It contains relatively large seeds which measure about one centimetre (3⁄8 in) long and one-half centimetre (1⁄4 in) wide.
The land in the area is stewarded by the
The
References
- ^ a b c d e The Nature Conservancy
- ^ JSTOR 2394022.
- ^ a b USFWS. Determination of Amsonia kearneyana to be an endangered species. Federal Register January 19, 1989.
- ^ a b A. kearneyana. Archived 2010-12-30 at the Wayback Machine Arizona Game and Fish Dept. Heritage Data Management System.