Caulophyllum giganteum (Farwell) Loconte & W.H. Blackwell. Common name: Northern Blue Cohosh. Phenology: Apr-May; Jul-Aug. Habitat: Rich moist forests. Distribution: C. giganteum is more northern in distribution than C. thalictroides, ranging from QC and ON south to w. NC, e. TN, c. KY, n. OH, and MI.
Origin/Endemic status: Native
Taxonomy Comments: This species blooms about two weeks earlier than C. thalictroides where they grow together. The combination of sympatry, morphologic distinctness, and phenologic separation of the two taxa argues for recognition at the species level.
Synonymy ⓘ: = Can, FNA3, K4, Mi, NE, NS, NY, POWO, Tn, Va, W, Haines (2003c), Loconte & Blackwell (1981), Loconte & Blackwell (1984), Loconte & Blackwell (1985), Stearn (2002); = Caulophyllum thalictroides (L.) Michx. var. giganteum Farw. — C; < Caulophyllum thalictroides (L.) Michx. — F, G, Pa, RAB, S, S13. Basionym: Caulophyllum thalictroides (L.) Michx. var. giganteum Farw. 1918
Links to other floras: = Caulophyllum giganteum - FNA3
Show parent genus | Show parent in key(s)
Heliophily ⓘ: 1
Hover over a shape, letter, icon, or arrow on the map for definition or see the legend.
© Scott Ward | Original Image ⭷
© Edwin Bridges | Original Image ⭷
© Erik Danielson source | Original Image ⭷
© Erik Danielson source | Original Image ⭷Feedback
See something wrong or missing on about Caulophyllum giganteum? Let us know here: (Please include your name and email if at all complicated so we can clarify if needed.) We greatly appreciate feedback, and will include updates from you in our next webapp update, which can take a few months. If a species is not keyed, that's because keying is ongoing. Please don't send us feedback about unkeyed species.
Horticultural Information
Intro:
Stems:
Leaves:
Inforescence:
Flowers:
Fruits:
Comments:
Height:
plant sale text:
bloom table text:
description:
stems:
leaves:
inflorescence:
flowers:
fruits:
comments:
cultural notes:
germination code:
native range:
0 unsaved edits on this page.