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Classification System: APG IV

Superregnum: Eukaryota
Regnum: Plantae
Cladus: Angiosperms
Cladus: Eudicots
Cladus: Core eudicots
Cladus: Asterids
Cladus: Campanulids
Ordo: Asterales

Familia: Asteraceae
Subfamilia: Asteroideae
Tribus: Senecioneae
Subtribus: Tussilagininae
Genus: Crocidium
Species: C. multicaule
Name

Crocidium Hook.

Crocidium is a small North American genus of plants in the daisy family.[1][2] Crocidium is native to western North America: British Columbia Washington, Idaho, Oregon, and California.[3]

Crocidium can be found in varied habitats from grassland to woodland. It is a small annual, typically not exceeding 30 centimeters (12 inches) in height. It grows from a small patch of somewhat fleshy leaves at the ground and erects several very tall, very thin gangly stems, each of which is topped with a flower head. The flower head is made up of five to 13 lemon yellow ray florets, each up to a centimeter long. The center of the head is filled with tiny disc florets, in a similar shade of bright yellow. The fruits are fuzzy brown achenes only one or two millimeters long which turn gluey when wet.[4]

Species[5][6]

Crocidium multicaule Hook. - British Columbia, Washington, Idaho, Oregon, California
Crocidium pugetense H.St.John - British Columbia, Washington

References

Hooker, William Jackson. 1834. Flora Boreali-Americana 1(suppl.): 335 description in Latin, commentary and figure captions in English
Hooker, William Jackson. 1834. Flora Boreali-Americana 1(suppl.): plate CXVIII line drawing of
http://bonap.net/MapGallery/County/Crocidium%20multicaule.png
Flora of North America, Vol. 20 Page 641 Crocidium Hooker, Fl. Bor.-Amer. 1: 335, plate 118. 1834.
The Plant List search for Crocidium
Flann, C (ed) 2009+ Global Compositae Checklist search for Crocidium

Plants Images

Biology Encyclopedia

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