dcsimg

Comprehensive Description

provided by North American Flora
Geum macrophyllum Wilid. Enum. 557. 1809
Geum strictum /3 Hook, Fl. Bor. Am. 1: 175. 1832.
Perennial, with a short rootstock; stem very hirsute, especially below, with yellowish hairs; basal leaves interruptedly lyrate-pinnate; rachis hirsute; principal leaflets 5-15, the terminal one reniform or rounded, often 3-lobed, 5—10 cm. broad, the lateral ones obovate or rounded, 1-5 cm. long, hirsute on both sides, doubly-toothed; upper stem-leaves ample, 3-cleft or 3-divided, with rhombic or cuneate divisions; inflorescence corymbiform, usually with short branches; bractlets linear, minute; sepals triangular-ovate, 3-5 mm. long; petals brightyellow, obovate or obcordate, 4-7 mm. long; fruiting head 15-18 mm. in diameter; receptacle short-hairy; body of the achenes 3-4 mm. long, appressed-pubescent and hispid above; lower internode of the style 4-5 mm. long, more or less glandular-granuliferous; upper internode about 1.5 mm. long, pubescent below with short ascending hairs.
Type locality: Kamtchatka.
Distribution: Wet meadows, from Newfoundland to New Hampshire, Montana, California, and Alaska; also in eastern Siberia.
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bibliographic citation
Per Axel Rydberg. 1913. ROSACEAE (pars). North American flora. vol 22(5). New York Botanical Garden, New York, NY
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North American Flora

Geum macrophyllum

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Geum macrophyllum in fruit

Geum macrophyllum, commonly known as largeleaf avens or large-leaved avens[1] is a flowering plant found from the Arctic south to the northern U.S. states, and in the Rocky Mountains and west to the Sierra Nevada in California and as far south as Northwestern Mexico.

It is even more distinctive in fruit than in flower, with spiky spheres of reddish styles.[2] The fruits are a ball of tiny velcro like hooks that catch on clothing and animal hair.

Uses

Flowers and Fruit of a Bigleaf Avens

The Squamish made a diuretic tea out of the leaves. The Haida made a steam bath with boiled roots to treat rheumatic pain.[3] Some tribes used the plant in eyewashes, to treat stomach ailments, and to aid childbirth.[4]

References

  1. ^ BSBI List 2007 (xls). Botanical Society of Britain and Ireland. Archived from the original (xls) on 2015-06-26. Retrieved 2014-10-17.
  2. ^ Elizabeth Wenk (2015). Wildflowers of the High Sierra and the John Muir Trail. Wilderness Press. ISBN 978-0-89997-738-6.
  3. ^ Jim Pojar and Andy MacKinnon, ed. (2014). Plants of the Pacific Northwest Coast. British Columbian Ministry of Forests. ISBN 978-1-77213-008-9.
  4. ^ Fagan, Damian (2019). Wildflowers of Oregon: A Field Guide to Over 400 Wildflowers, Trees, and Shrubs of the Coast, Cascades, and High Desert. Guilford, CT: FalconGuides. p. 137. ISBN 1-4930-3633-5. OCLC 1073035766.

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Geum macrophyllum: Brief Summary

provided by wikipedia EN
Geum macrophyllum in fruit

Geum macrophyllum, commonly known as largeleaf avens or large-leaved avens is a flowering plant found from the Arctic south to the northern U.S. states, and in the Rocky Mountains and west to the Sierra Nevada in California and as far south as Northwestern Mexico.

It is even more distinctive in fruit than in flower, with spiky spheres of reddish styles. The fruits are a ball of tiny velcro like hooks that catch on clothing and animal hair.

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cc-by-sa-3.0
copyright
Wikipedia authors and editors
original
visit source
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wikipedia EN