Difference between revisions of "Micranthes virginiensis"
Fl. S.E. U.S., 501. 1903 ,.
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|common_names=Virginia or early saxifrage;saxifrage de Virginie | |common_names=Virginia or early saxifrage;saxifrage de Virginie | ||
− | |basionyms={{Treatment/ID/ | + | |basionyms={{Treatment/ID/Basionym |
|name=Saxifraga virginiensis | |name=Saxifraga virginiensis | ||
|authority=Michaux | |authority=Michaux | ||
+ | |publication_title=Fl. Bor.-Amer. | ||
+ | |publication_place=1: 269. 1803 | ||
}} | }} | ||
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|special status= | |special status= | ||
− | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse_grained_fna_xml/V8/V8_109.xml |
|genus=Micranthes | |genus=Micranthes | ||
|species=Micranthes virginiensis | |species=Micranthes virginiensis |
Revision as of 21:27, 24 September 2019
Plants solitary or in clumps, with bulbils on caudices. Leaves basal; petiole flattened, 1–9 cm; blade ovate to elliptic, 2–8 cm, ± fleshy, base attenuate, margins irregularly crenate to serrate, ciliate, surfaces sparsely to ± densely stipitate-glandular and tangled, reddish brown-hairy, adaxially glabrescent. Inflorescences 30+-flowered, (flowers sometimes secund), very open, lax, ± flat-topped thyrses, 6–50 cm, proximally hairy, distally densely purple-tipped stipitate-glandular. Flowers: sepals erect to ascending (even in fruit), ovate to triangular; petals white, not spotted, broadly oblong to elliptic, not or rarely slightly clawed, 3–6 mm, 2+ times as long as sepals; filaments linear, flattened; pistils distinct almost to base; ovary ± superior, (to 1/3 adnate hypanthium). Capsules green to purplish, folliclelike. 2n = 20 (+ 0–6 supernumeraries), 38.
Phenology: Flowering spring.
Habitat: Rocky hillsides, cliffs and shaded rock outcrops, stream banks, wooded slopes
Elevation: 0-1500 m
Distribution
![V8 109-distribution-map.gif](/w/images/c/ce/V8_109-distribution-map.gif)
Man., N.B., Ont., Que., Ala., Ark., Conn., D.C., Ga., Ill., Ind., Ky., La., Maine, Md., Mass., Mich., Minn., Miss., Mo., N.H., N.J., N.Y., N.C., Ohio, Pa., R.I., S.C., Tenn., Vt., Va., W.Va.
Discussion
Also reported for Micranthes virginiensis is 2n = 28; D. E. Soltis (1983) documented zero to six supernumerary chromosomes in this species and speculated that this report may have included eight supernumeraries.
Selected References
None.