Gillenia stipulata |
Rosaceae tribe Gillenieae |
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American ipecac, Indian physic |
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Habit | Herbs, perennial; unarmed. | |
Leaves | stipules persistent, depressed-ovate, 10–20(–25) × 10–20 mm (foliaceous), margins serrate to doubly serrate; leaflet blade ovate-oblong, those of proximal leaves laciniately lobed or dissected, abaxial surface densely sessile- or stipitate-glandular, otherwise hirsute to hirsutulous or rarely glabrous, adaxial hirsutulous, eglandular or sparsely sessile-glandular. |
alternate, pinnately compound (ternate); stipules persistent or deciduous, free; venation pinnate. |
Flowers | perianth and androecium perigynous; epicalyx bractlets absent; hypanthium tubular to campanulate; torus absent; carpels 5, basally connate (becoming distinct at maturity), adnate to hypanthium, styles terminal, distinct; ovules 2–4, basal, collateral (obturator present). |
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Fruits | aggregated follicles; styles tardily deciduous, elongate. |
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Hypanthia | 4.5–5.5 mm. |
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Petals | 10–13 mm. |
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Follicles | long-beaked, slightly to prominently rugulose, glabrous or glabrate. |
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2n | = 18. |
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Gillenia stipulata |
Rosaceae tribe Gillenieae |
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Phenology | Flowering (Apr–)May–Jul. | |
Habitat | Rich woods, post oak woodlands, moist places in 2d-growth pine hills, low woods, ravines, stream valleys, prairie thickets, dry, rocky slopes | |
Elevation | 100–1000 m (300–3300 ft) | |
Distribution |
AL; AR; GA; IL; IN; KS; KY; LA; MD; MI; MO; MS; NC; NY; OH; OK; PA; TN; TX; VA; WV
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North America |
Discussion | Genus 1, species 2 (2 in the flora). The base chromosome number for Gillenieae is x = 9. Gillenia is host to Gymnosporangium and Phragmidium rusts. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Source | FNA vol. 9, p. 425. | FNA vol. 9, p. 424. |
Parent taxa | Rosaceae > subfam. Amygdaloideae > tribe Gillenieae > Gillenia | Rosaceae > subfam. Amygdaloideae |
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | Spiraea stipulata, Porteranthus stipulatus | |
Name authority | (Muhlenberg ex Willdenow) Nuttall: in W. P. C. Barton, Veg. Mater. Med. U.S. 1: 71. (1817) | Maximowicz: Trudy Imp. S.-Pterburgsk. Bot. Sada 6: 164, 222. (1879) |
Web links |