Difference between revisions of "Asarum marmoratum"
Proc. Biol. Soc. Wash. 29: 99. 1916.
Endemic
Treatment appears in FNA Volume 3.
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| − | --><span class="statement" id="st- | + | --><span class="statement" id="st-undefined" data-properties=""><b>Rhizomes </b>erect or ascending, deeply buried, internodes 0.2-1.5 cm. <b>Leaves</b>: petiole 5-20 cm, sparsely crisped-hirsute. <b>Leaf</b> blade almost always variegate with white or silver along veins, cordate to cordate-reniform, 4-14 × 3-12 cm, apex acute to broadly acuminate, rarely obtuse; surfaces abaxially sparsely hirsute, adaxially glabrous or sparsely hirsute along veins, marginal hairs ± perpendicular to margin. <b>Flowers</b> erect or nearly so; peduncle 1.2-1. calyx tube subglobose, externally mottled red, sparsely to moderately hirsute, internally dark red, with purple hairs; distal portion of sepal erect or spreading at anthesis, 17-52 mm, apex filiform-attenuate, abaxially pale green, hirsute, adaxially tan or brownish green, rarely red proximally, puberulent with crisped purple hairs; pollen sacs 0.8-2.4 mm, sterile tip of connective on inner stamens dark red-brown, 1.2-3.8 mm, longer than pollen sacs.</span><!-- |
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|elevation=200-1800 m | |elevation=200-1800 m | ||
|distribution=Calif.;Oreg. | |distribution=Calif.;Oreg. | ||
| − | |discussion=<p>Asarum marmoratum is found only in the Cascades and the Siskiyou Mountains of southern Oregon and extreme northwestern California (M. R. Mesler and K. L. Lu 1990).</p> | + | |discussion=<p><i>Asarum marmoratum</i> is found only in the Cascades and the Siskiyou Mountains of southern Oregon and extreme northwestern California (M. R. Mesler and K. L. Lu 1990).</p> |
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name=Asarum marmoratum | name=Asarum marmoratum | ||
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|authority=Piper | |authority=Piper | ||
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|publication year=1916 | |publication year=1916 | ||
|special status=Endemic | |special status=Endemic | ||
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|genus=Asarum | |genus=Asarum | ||
|species=Asarum marmoratum | |species=Asarum marmoratum | ||
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Latest revision as of 21:52, 5 November 2020
Rhizomes erect or ascending, deeply buried, internodes 0.2-1.5 cm. Leaves: petiole 5-20 cm, sparsely crisped-hirsute. Leaf blade almost always variegate with white or silver along veins, cordate to cordate-reniform, 4-14 × 3-12 cm, apex acute to broadly acuminate, rarely obtuse; surfaces abaxially sparsely hirsute, adaxially glabrous or sparsely hirsute along veins, marginal hairs ± perpendicular to margin. Flowers erect or nearly so; peduncle 1.2-1. calyx tube subglobose, externally mottled red, sparsely to moderately hirsute, internally dark red, with purple hairs; distal portion of sepal erect or spreading at anthesis, 17-52 mm, apex filiform-attenuate, abaxially pale green, hirsute, adaxially tan or brownish green, rarely red proximally, puberulent with crisped purple hairs; pollen sacs 0.8-2.4 mm, sterile tip of connective on inner stamens dark red-brown, 1.2-3.8 mm, longer than pollen sacs.
Phenology: Flowering late winter–spring (Mar–Jun).
Habitat: Understory of dry or mesic forests, or exposed rocky slopes or roadcuts
Elevation: 200-1800 m
Discussion
Asarum marmoratum is found only in the Cascades and the Siskiyou Mountains of southern Oregon and extreme northwestern California (M. R. Mesler and K. L. Lu 1990).
Selected References
None.
Lower Taxa
None.