Caulophyllum giganteum

(Farwell) Loconte & W. H. Blackwell

Phytologia 49: 483. 1981.

Endemic
Basionym: Caulophyllum thalictroides var. giganteum Farwell
Treatment appears in FNA Volume 3.
Revision as of 17:21, 18 September 2019 by FNA>Volume Importer

Stems 2-7 dm. Leaves: 1st leaf (2-)3-ternate; 2d leaf (1-)2-ternate; leaflets 5-10 × 3-8 cm. Inflorescences with 4-18 flowers. Flowers: bracteoles 2-4 mm; sepals purple, red, brown, yellow, 6-9 × 1-4 mm, laterally revolute; petals 2-3 mm; stamen filaments 1.5-2.5 mm; pistil 3-5 mm; style 1-2 mm. 2n = 16.


Phenology: Flowering early spring.
Habitat: Mesophytic forests
Elevation: 0-700 m

Distribution

V3 942-distribution-map.gif

Ont., Que., Ky., Md., Mass., Mich., N.H., N.Y., N.C., Ohio, Pa., Tenn., Vt., Va., W.Va.

Discussion

Caulophyllum giganteum has a relatively northern distribution, and it flowers precociously; C. thalictroides has a broader distribution, extending farther south, flowers and fruits later, and is less precocious. Caulophyllum giganteum is treated as part of C. thalictroides by most authors.

Selected References

None.

Lower Taxa

None.
... more about "Caulophyllum giganteum"
Henry Loconte +
(Farwell) Loconte & W. H. Blackwell +
Caulophyllum thalictroides var. giganteum +
Ont. +, Que. +, Ky. +, Md. +, Mass. +, Mich. +, N.H. +, N.Y. +, N.C. +, Ohio +, Pa. +, Tenn. +, Vt. +, Va. +  and W.Va. +
0-700 m +
Mesophytic forests +
Flowering early spring. +
Caulophyllum giganteum +
Caulophyllum +
species +