Date: XXXXXXXX 2010. Location: XXXXXXXXX(map)
Classification Hierarchy | |
Kingdom | Plantae |
Subkingdom | Tracheophyta |
Superdivision | Spermatophyta |
Division | Magnoliophyta |
Class | Magnoliopsida |
Subclass | Asteridae |
Order | Asterales |
Family | Asteraceae |
Genus | Cirsium |
Species | Cirsium flodmanii |
Date: XXXXXXXX 2010. Location: XXXXXXXXX(map)
Scientific Name: Cirsium flodmanii
Common Name: Flodman's thistle
Origin: Native
Notes: "Primary Noxious Weed"; perennial, prefers moist poorly drained open areas; frequent in the N.W. quadrant of the state.
Additional references: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.
Flowers: June; purplish-pink disc flowers; involucre 2-2.5 cm high, outer phyllaries with spreading prickles and glutinous strip on back; peduncle with white pubescence; cypselae 3-5 mm.
Leaves: rosette and cauline leaves gray-tomentose above and white felt-like beneath; cauline leaves deeply pinnately divided with needle shaped lobes.
Glossaries of botanical terms: 1, 2, 3, 4, 5, 6, 7, 8, 9, 10.