Aconogonon phytolaccifolium |
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alpine fleeceflower, alpine knotweed, poke knotweed, pokeweed fleeceflower, pokeweed knotweed |
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Habit | Plants (50–)70–150(–200) cm. | ||||
Stems | erect, glabrous or pubescent. |
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Leaves | ocrea reddish brown, funnelform, 1–3 cm, margins oblique, glabrous or pubescent; petiole 5–20 mm; blade lanceolate to ovate-lanceolate, 5–15(–19) × 1.4–7.5 cm, not subcoriaceous, base rounded, margins entire, usually scabrous to ciliate, rarely glabrous, apex obtuse to acuminate, faces not glaucous, glabrous or densely pubescent. |
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Inflorescences | usually terminal, subterminal, and axillary, paniclelike; peduncle 0.5–12 cm, glabrous or pubescent. |
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Pedicels | 0.9–4 mm. |
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Flowers | 1–3 per ocreate fascicle, rarely some flowers with stamens poorly developed; perianth white to greenish white, 2.5–3.5 mm; tepals slightly dimorphic, ovate to obovate, apex obtuse; anthers yellow to pink. |
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Achenes | usually exserted, yellowish brown, not beaked distally, (3–)3.8–7 × 2.3–4.8 mm, shiny, faces concave. |
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Aconogonon phytolaccifolium |
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Distribution |
CA; ID; MT; NV; OR; WA
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Discussion | Varieties 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 5, p. 599. | ||||
Parent taxa | Polygonaceae > subfam. Polygonoideae > Aconogonon | ||||
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Subordinate taxa | |||||
Synonyms | Polygonum phytolaccifolium | ||||
Name authority | (Meisner ex Small) Small: in P. A. Rydberg, Fl. Rocky Mts., 1061. (1917) | ||||
Web links |
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