巴婆树 Asimina triloba

  • Scientific Name: Asimina triloba (L.) Dunal
  • Ref: Monogr. Anonac.:83. 1817
  • Synonym: Annona triloba L.
  • English Common Name: papaw, pawpaw, dog-banana, Indian-banana, poor man’s banana
  • Chinese Common Name: 巴婆树 bāpó∙shù, 泡泡树 pàopao∙shù
  • Japanese Common Name: ポーポー, アケビガキ
  • Family: Annonaceae
  • Genus: Asimina
  • Distribution: Mesic woods, often alluvial sites, fencerows; 0-1500 m, native range is SE Canada to Central & E USA
  • Photo: 04/26/2013, Hangzhou Botanical Garden, Zhejiang
Shrubs or trees , 1.5-11(-14) m; trunks slender, to 20(-30) cm diam.; bark shallowly furrowed in larger trees. Branches spreading-ascending, slender; new shoots moderately to copiously brown-hairy apically, aging glabrous. Leaves: petiole 5-10 mm. Leaf blade oblong-obovate to oblanceolate, 15-30 cm, membranous, base narrowly cuneate, margins scarcely or not revolute, apex acute to acuminate; surfaces abaxially densely hairy, later sparsely so on veins, adaxially sparsely appressed-pubescent on veins, becoming glabrous. Inflorescences from previous year's shoots before or during new leaf emergence; peduncle nodding, (1-)1.5-2(-2.5) cm, densely hairy, hairs dark brown to red-brown; bracteoles 1-2, basal, usually ovate-triangular, rarely over 2-3 mm, hairy. Flowers maroon, fetid, 2-4(-5) cm diam.; sepals triangular-deltate, 8-12 mm, abaxially densely pilose; outer petals excurved, oblong-elliptic, 1.5-2.5 cm, abaxially puberulent on veins; inner petals elliptic, 1/3-1/2 length of outer petals, base saccate, apex recurved, surfaces abaxially glabrate, veins impressed adaxially, corrugate nectary zone distinct; pistils 3-7(-12). Berries yellow-green, 5-15 cm. Seeds brown to chestnut brown, 1.5-2.5 cm. (FNA Vol.3)

04/26/2013, Hangzhou Botanical Garden, Zhejiang


04/26/2013, Hangzhou Botanical Garden, Zhejiang


04/26/2013, Hangzhou Botanical Garden, Zhejiang


06/18/2017, Hangzhou Botanical Garden


06/18/2017, Hangzhou Botanical Garden

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