Difference between revisions of "Chamaebatiaria millefolium"
Trudy Imp. S.-Peterburgsk. Bot. Sada 6: 225. 1879.
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| − | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Spiraea millefolium | |name=Spiraea millefolium | ||
|authority=Torrey | |authority=Torrey | ||
| + | |rank=species | ||
| + | |publication_title=in War Department [U.S.], Pacif. Railr. Rep. | ||
| + | |publication_place=4(5): 83, plate 5. 1857 | ||
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name=Chamaebatiaria millefolium | name=Chamaebatiaria millefolium | ||
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|authority=(Torrey) Maximowicz | |authority=(Torrey) Maximowicz | ||
|rank=species | |rank=species | ||
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|publication title=Trudy Imp. S.-Peterburgsk. Bot. Sada | |publication title=Trudy Imp. S.-Peterburgsk. Bot. Sada | ||
|publication year=1879 | |publication year=1879 | ||
| − | |special status=Endemic; | + | |special status=Endemic;Illustrated |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V9/V9_662.xml |
|subfamily=Rosaceae subfam. Amygdaloideae | |subfamily=Rosaceae subfam. Amygdaloideae | ||
|tribe=Rosaceae tribe Sorbarieae | |tribe=Rosaceae tribe Sorbarieae | ||
Latest revision as of 22:58, 5 November 2020
Stems: internodes (1–)6–12 mm. Leaves: stipules 2–4 mm, green on leaf base margins; blade 2.6–7(–9.6) × 0.9–2(–3) cm, 1(–2)-pinnate-pinnatifid into 13–25 pairs of pinnae; pinnae oblong-lanceolate, (4–)6–14(–16) × 2–4 mm, divided into 6–10 opposite or alternate pairs of obovate to ovate segments 0.8–2 mm; segments obtuse-rounded, entire or secondarily lobed on proximal margins, proximal margins decurrent along rachillae extending to subtending divisions (pinnae then pinnatifid and leaves then 2-pinnate), pinnae margins of proximalmost lobes decurrent along adaxial leaf rachises, abaxial surfaces of rachises, rachillae, and petioles hairy, adaxial glabrous. Inflorescences 3–15(–23) × 2–8(–12) cm, leafy proximally, flowers crowded along distal branches; lobes of distal bracts and bracteoles acute. Flowers: sepals valvate, 2.5–4 mm, acute, abaxial surface hairy, glandular; petals spreading, margins erose, glabrous; filaments spreading, inner more erect, 3–4 mm, glabrous, anthers orbicular, introrse, versatile, 0.4–0.5 mm; styles 3–5 mm. Follicles reddish brown, leathery, hairy. Seeds yellowish, 2.5–3.5 mm. 2n = 18.
Phenology: Flowering Jul–Sep.
Habitat: Dry, rocky sagebrush scrub, pinyon-juniper woodlands, montane coniferous forests to subalpine woodlands
Elevation: 900–3400 m
Distribution
Ariz., Calif., Idaho, Nev., Oreg., Utah.
Discussion
Chamaebatiaria millefolium grows in southern Oregon, northern California, and the eastern slope of the Sierra Nevada to southern Idaho, Nevada, north-central Arizona, and western Utah.
Selected References
None.