五爪金龙 Ipomoea cairica

  • Scientific Name: Ipomoea cairica (L.) Sweet
  • Ref: Hort. Brit.:287. 1826
  • Synonyms:
    • Batatas cavanillesii (Schult.) G.Don
    • B. pulchella (Roth ex Schult.) Bojer
    • B. senegalensis (Lam.) G.Don
    • Convolvulus bellus Spreng.
    • C. cairicus L.
    • C. cavanillesii (Schult.) Spreng.
    • C. limphaticus Vell.
    • C. longiflorus Heyne ex Steud.
    • C. lupulifolia Griff.
    • C. mucronatus G.Forst.
    • C. pendulus (R.Br.) Spreng.
    • C. quinquelobus Vahl
    • C. tuberculatus Desr.
    • C. vittatus Zipp. ex Span.
    • Exocroa egyptiaca Raf.
    • Ipomoea bouvetii Duchass. & Walp.
    • I. buaralap Montrouz.
    • I. cairica var. obtusata Hoehne
    • I. cairica var. semineglabra (Blatt. & Hallb.) Bhandari
    • I. cairica var. uniflora Hoehne
    • I. cavanillesii Roem. & Schult.
    • I. digitifolia Sweet
    • I. frutescens Choisy
    • I. funaria Larrañaga
    • I. jacquinii Regel
    • I. palmata Forssk.
    • I. pendula R.Br.
    • I. pentaphylla Cav.
    • I. rosea var. pluripartita Hassl.
    • I. senegalensis Lam.
    • I. stipulacea Jacq.
    • I. stipulacea f. pluriflora Meisn.
    • I. stipulacea f. uniflora Meisn.
    • I. stipulata Jacq.
    • I. tuberculata var. abbreviata Choisy
    • I. tuberculosa Desf.
    • I. vesiculosa P.Beauv.
  • English Common Name: mile-a-minute vine, Messina creeper, Cairo morning glory, coast morning glory, railroad creeper
  • Chinese Common Name: 五爪金龙 wǔzhǎo∙jīnlóng
  • Japanese Common Name: モミジヒルガオ [紅葉昼顔] momijihirugao
  • Family: Convolvulaceae
  • Genus: Ipomoea
  • Distribution: Origin unknown, now distributed nearly pantropically: Africa, Asia, Pacific Islands, South America
  • Photo: 06/21/2009, South China Botanical Garden, Guangdong
Herbs perennial, twining, with a tuberous root; axial parts ?glabrous. Stems to 5 m, thinly angular, ± tuberculate or smooth. Petiole 2-8 cm, base with leafy pseudostipules; leaf blade palmately 5-parted to base; lobes entire or minutely undulate, apex acute or obtuse, mucronulate, basal pair usually again lobed or parted; middle lobe larger, ovate, ovate-lanceolate, or elliptic, (2.5-)4-5 X (0.5-)2-2.5 cm. Inflorescences 1- or several flowered; peduncle 2-8 cm; bracts and bracteoles early deciduous, squamiform, small. Pedicel 0.5-2 cm, sometimes verruculose. Sepals unequal; outer 2 sepals 4-6.5 mm; inner ones 5-9 mm, glabrous, abaxially ± verruculose, margin paler, scarious. Corolla pink, purple, or reddish purple, with a darker center, rarely white, funnelform, (2.5-)5-7 cm. Stamens included, unequal. Ovary glabrous. Stigma 2-lobed. Capsule ± globose, ca. 1 cm. Seeds black, ca. 5 mm, densely tomentose, margin with longer hairs. 2n = 30*. (Flora of China)

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