Difference between revisions of "Physocarpus monogynus"
Contr. U.S. Natl. Herb. 2: 104. 1891.
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|name=Spiraea monogyna | |name=Spiraea monogyna | ||
|authority=Torrey | |authority=Torrey | ||
| + | |rank=species | ||
|publication_title=Ann. Lyceum Nat. Hist. New York | |publication_title=Ann. Lyceum Nat. Hist. New York | ||
|publication_place=2: 194. 1827 | |publication_place=2: 194. 1827 | ||
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name=Physocarpus monogynus | name=Physocarpus monogynus | ||
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|authority=(Torrey) J. M. Coulter | |authority=(Torrey) J. M. Coulter | ||
|rank=species | |rank=species | ||
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|publication year=1891 | |publication year=1891 | ||
|special status=Endemic | |special status=Endemic | ||
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_576.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Neillieae | |tribe=Rosaceae tribe Neillieae | ||
Latest revision as of 22:57, 5 November 2020
Shrubs, 10 dm. Stems often decumbent, spreading, reddish brown becoming dark gray, glabrous or sparsely stellate-hairy. Leaves: stipules linear to narrowly elliptic or subulate, 4–5 × 1 mm, base attenuate, apex acute; petiole 0.5–2.2 cm; blade broadly ovate, 1.5–4 × 2–4.5 cm, sometimes wider than long, base usually truncate to cordate, rarely broadly cuneate, 0 or 1–5-lobed, margins doubly crenate to doubly serrate, apex rounded to obtuse, surfaces glabrous or sparsely stellate-hairy. Inflorescences 10(–15)–30-flowered, fairly dense, hemispheric racemes, 4 cm diam.; bracts linear to narrowly elliptic or narrowly obovate, 2–4 mm, apex acute, rarely 2-fid. Pedicels 8–18 mm, sparsely to moderately stellate-hairy. Flowers 8–10 mm diam.; hypanthium cup-shaped, 1.7–2 mm, sparsely to moderately stellate-hairy; sepals triangular to ovate, 3 mm, apex gland-tipped, surfaces sparsely to moderately stellate-hairy; petals white, broadly elliptic to orbiculate, 4.5 × 4 mm; stamens 20–40, ± equal to petals; carpels (1)2(3), connate at least 1/2 their lengths, densely stellate-hairy. Follicles (1)2(3), inflated, 2.5 mm (lengths shorter than sepals), densely stellate-hairy, hairs white; styles 3.5 mm. Seeds 1–3, pyriform, 2–2.5 mm. 2n = 18.
Phenology: Flowering May–Aug; fruiting Jul–Oct.
Habitat: Open rocky wooded slopes, seepage ledges, canyons
Elevation: 1800–2600 m
Distribution
Ariz., Colo., Mont., Nev., N.Mex., Okla., S.Dak., Tex., Utah, Wyo.
Discussion
Selected References
None.