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Asarum marmoratum

Asarum marmoratum Piper  
Family: Aristolochiaceae
Marbled Wild Ginger
Asarum marmoratum image
  • FNA
  • Resources
Alan T. Whittemore, Michael R. Mesler & Karen L. Lu in Flora of North America (vol. 3)
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 1.2-1.9 cm; false 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.

Flowering late winter-spring (Mar-Jun). Understory of dry or mesic forests, or exposed rocky slopes or roadcuts; 200-1800 m; Calif., Oreg.

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).

Asarum marmoratum
Open Interactive Map
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This project was made possible in part by the Institute of Museum and Library Services [MG-70-19-0057-19].

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