Difference between revisions of "Cirsium edule var. wenatchense"
Sida 21: 213. 2004.
Common names: Wenatchee thistle
Treatment appears in FNA Volume 19. Treatment on page 147.
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|tribe=Asteraceae tribe Cardueae | |tribe=Asteraceae tribe Cardueae | ||
|genus=Cirsium | |genus=Cirsium | ||
Revision as of 19:35, 24 September 2019
Heads mostly borne singly. Peduncles 10–30 cm. Involucres 3–4 × 4–5 cm, moderately arachnoid. Phyllary apices widely spreading, long-acicular, spines 5–15 mm. Corollas 29–33 mm, tubes 9–11 mm, throats 8–12 mm, lobes 9–10 mm; style tips 3–4 mm. Cypselae dark brown, 4.5–6 mm; pappi 20–25 mm.
Phenology: Flowering summer (Jul–Aug).
Habitat: Stream banks, rocky slopes
Elevation: 600–1200 m
Discussion
Of conservation concern.
Variety wenatchense is known only from the Wenatchee Mountains of central Washington. Little is known of its ecology.
Selected References
None.
Lower Taxa
None.