Cirsium altissimum |
Cirsium edule |
|
---|---|---|
edible thistle |
||
Habit | Tap-rooted biennial or short-lived perennial, flowering only once, 4-20 dm. tall, the stem succulent, thick below and tapering. | |
Leaves | Leaves green but sparsely covered with long, soft hairs on both surfaces, moderately spiny, lobed, lanceolate to oblanceolate, up to 3 dm. long. |
|
Flowers | Heads usually borne singly at the ends of the branches; involucre 2-4 cm. high, spider-webby, its bracts loose, not much inbricate, all slender and tapering, all but the inner with short spine tips; flowers all tubular, bright pink-purple, the corolla tube 7-11 mm. long, the corolla lobes 5-10 mm. long; style exerted 3-8 mm. beyond the corolla lobes; receptacle densely bristly. |
|
Cirsium altissimum |
Cirsium edule |
|
Flowering time | July-September | |
Habitat | Forest openings and edge, meadows, roadsides, and other open areas at low to middle elevations in the mountains. | |
Distribution | Occurring on both sides of the Cascades crest in Washington; British Columbia to Oregon.
|
|
Origin | Native | |
Conservation status | Not of concern | |
Sibling taxa | ||
Subordinate taxa | ||
Web links |