大别山马兜铃 Aristolochia dabieshanensis

  • Scientific Name: Aristolochia dabieshanensis C.Y.Cheng & W.Yu
  • Ref: Bull. Bot. Res., Harbin 12:110. 1992
  • Synonym: ? Aristolochia kaempferi Willd.
  • Chinese Common Name: 大别山马兜铃 Dàbié Shān mǎdōulíng
  • Family: Aristolochiaceae
  • Genus: Aristolochia
  • Distribution: locally rare on roadside or slope, in thicket or woodland at elevations between 800 and 1300. Dabieshan (Anhui, Hubei)
  • Photo: 06/15/2013, Mt. Tianmu, Zhejiang
Woody liana. Stems densely villous when young, old branchlets glabrous. Petiole 2–7 cm long; lamina long-ovate to ovate-triangular, 5–15 × 3–11 cm, both surfaces villous, base cordate, sinus 1–2 cm deep, apex acuminate; veins palmate, 2–3 pairs from base. Flowers solitary. Pedicel pendulous, 2–4 cm long, villous; bractlets ovate, conduplicate, 3–10 × 2–5 mm, adaxially glabrous, abaxially villous, inserted at base of pedicel. Calyx tube geniculately curved, outside densely villous, inside villous at base, glabrous above base; utricle is indistinct with the tube; basal portion of tube cylindric, ca. 2 cm long, inside dark-purple at base and white above base, upper portion of tube cylindric, ca. 2.4 cm long, inside white with purplish-red patches; limb discoid, ca. 3 cm in diam., shallowly 3-lobed; lobes variable color, often yellow or brown to purple-brown with variegated stripes; throat white with dense big dark-brown patches, ca. 7 mm in diam. Anthers 6, oblong, adnate in 3 pairs to the base of gynostemium, opposite to the lobes. Gynostemium 3–4 mm long, 3-lobed, apex of lobes usually obtuse, emarginate, margin crispate. Ovary terete, ca. 1 cm long, densely white villous. Capsule cylindric, 3–5 × 1.5–2 cm, dehiscing basipetally. Seeds triangular-ovate, 5–6 × 4–5 mm. (Phytotaxa 313 (1):064. 2017)

05/16/2015, Mt. Tianmu, Zhejiang


05/16/2015, Mt. Tianmu, Zhejiang


05/16/2015, Mt. Tianmu, Zhejiang

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