Difference between revisions of "Asarum hartwegii"
Proc. Amer. Acad. Arts 10: 346. 1875.
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|elevation=150-2200 m | |elevation=150-2200 m | ||
|distribution=Calif. | |distribution=Calif. | ||
| − | |discussion=<p>Asarum hartwegii was confused with A. marmoratum until very recently; reports of A. hartwegii from southern Oregon are errors for A. marmoratum (M. R. Mesler and K. L. Lu 1990).</p> | + | |discussion=<p><i>Asarum hartwegii</i> was confused with <i>A. marmoratum</i> until very recently; reports of <i>A. hartwegii</i> from southern Oregon are errors for <i>A. marmoratum</i> (M. R. Mesler and K. L. Lu 1990).</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=1875 | |publication year=1875 | ||
|special status=Endemic;Selected by author to be illustrated | |special status=Endemic;Selected by author to be illustrated | ||
| − | |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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V3/V3_729.xml |
|genus=Asarum | |genus=Asarum | ||
|species=Asarum hartwegii | |species=Asarum hartwegii | ||
Revision as of 18:19, 18 September 2019
Rhizomes erect or ascending, deeply buried, internodes 0.2-1.3 cm. Leaves: petiole 9-21 cm, sparsely crisped-hirsute. Leaf blade almost always variegate with white or silver along veins, cordate to cordate-reniform, 5.3-10 × 7-14 cm, apex rounded-acute to rounded; surfaces abaxially appressed-hirsute, usually sparsely so, adaxially glabrous or sparsely hirsute along veins, marginal hairs strongly curved toward apex. Flowers erect; peduncle 1-2. calyx tube cylindric, externally reddish, sometimes mottled red and green, hirsute, internally white with brownish purple stripes and white hairs (becoming brown with age); distal portion of sepal usually spreading at anthesis, sometimes reflexed or nearly erect, 12-27 mm, apex filiform-attenuate, abaxially reddish, hirsute, adaxially reddish, puberulent with crisped pale hairs; pollen sacs 2 mm, sterile tip of connective on inner stamens pale (sometimes dark in dried specimens), 3-5 mm, longer than pollen sacs. 2n = 26.
Phenology: Flowering spring–summer (Apr–Jul).
Habitat: Rocky slopes in dry conifer or oak forests
Elevation: 150-2200 m
Discussion
Asarum hartwegii was confused with A. marmoratum until very recently; reports of A. hartwegii from southern Oregon are errors for A. marmoratum (M. R. Mesler and K. L. Lu 1990).
Selected References
None.