Caulophyllum thalictroides (Linnaeus) Michaux. Common name: Common Blue Cohosh, Green Vivian. Phenology: Apr-May; Jul-Aug. Habitat: Rich forests. Distribution: NS, QC, ON, and MB, south to GA, AL, AR, and OK.
Origin/Endemic status: Native
Synonymy ⓘ: = Ar, Can, FNA3, GrPl, Il, K4, Mi, NE, NS, NY, POWO, Tat, Tn, Va, W, Haines (2003c), Loconte & Blackwell (1981), Loconte & Blackwell (1984), Loconte & Blackwell (1985), Stearn (2002); = Caulophyllum thalictroides (L.) Michx. var. thalictroides — C; = Leontice thalictroides L.; < Caulophyllum thalictroides (L.) Michx. — F, G, Pa, RAB, S, S13
Links to other floras: = Caulophyllum thalictroides - FNA3
Heliophily ⓘ: 1
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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 |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Erect perennial of rich, deciduous forests. | Stem smooth with a blue-green tint and white-waxy coating. | Leaves 1 (2), petiolate, divided into many stalked, veiny, oval leaflets that are 1-3 in. long and irregularly toothed/lobed; blue-green and with a waxy coating. | Flowers in a branched terminal cluster, brownish-green to yellowish-green, ¼ in. wide, consisting of 6 sepals with nectar glands at the base (no real petals), 6 stamens, and a prominent ovary. | Fruit a conspicuous pair of deep blue, fleshy seeds. | The very similar Caulophyllum giganteum blooms a little earlier and has larger (1/2 in. across), more purplish flowers. | 1-3 ft. | Erect perennial of rich, deciduous forests. | Stem smooth with a blue-green tint and white-waxy coating. | Leaves 1 (2), petiolate, divided into many stalked, veiny, oval leaflets that are 1-3 in. long and irregularly toothed/lobed; blue-green and with a waxy coating. | Flowers in a branched terminal cluster, brownish-green to yellowish-green, ¼ in. wide, consisting of 6 sepals with nectar glands at the base (no real petals), 6 stamens, and a prominent ovary. | Fruit a conspicuous pair of deep blue, fleshy seeds. | The very similar Caulophyllum giganteum blooms a little earlier and has larger (1/2 in. across), more purplish flowers. | eastern North America |
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