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FOC | Family List | FOC Vol. 7 | Menispermaceae | Cyclea

7. Cyclea insularis (Makino) Hatusima, Mem. Fac. Agric. Kagoshima Univ. 5(3): 29. 1966.

海岛轮环藤 hai dao lun huan teng

Cissampelos insularis Makino, Bot. Mag. (Tokyo) 24: 227. 1910; Paracyclea insularis (Makino) Kudô & Yamamoto.

Vines. Stems terete, sulcate, glabrous; branches longitudinally striate, retrorsely puberulent. Petiole usually shorter, rarely longer, than lamina, retrorsely puberulent; leaf blade peltate, triangular-cordate, 3-9 × 2.5-8 cm, papery, abaxially pubescent, adaxially puberulent, base shallowly cordate, truncate, or slightly protruding, margin entire or sparsely serrate, apex mucronate, with a mucronate acumen, palmately 5-7-veined, fine reticulation dense. Inflorescences axillary, 1-3 per axil, cymose or narrow, thyrsoid, and racemelike, usually shorter, rarely longer, than leaves; rachis appressed puberulent; branches very short, 2- to few flowered; bracts ovate-rhombic, sharply acuminate, puberulent abaxially. Male flowers: sepals 4 or 5, connate at base, obovate or spatulate, 0.6-1.3 × 0.6-1 mm, mucronate, pilose abaxially; petals 4(or 5), opposite to sepals, oblong to rotund, minute, sometimes absent, ca. 0.5 mm; synandrium ca. 1.5 mm, anthers 4. Female flowers: sepals 2, elliptic to rotund, base slightly thick and concave, ca. 1.5 mm, apex obtuse or slightly mucronate, puberulent abaxially; petal occasionally 1, minute; ovary saccate-obovoid, ca. 1 mm, glabrous or pubescent, stigma 3-lobed. Drupes obovate-rounded, ca. 5 mm in diam., glabrous or sparsely spreading pubescent; endocarp abaxially bearing 3 rows of tubercles. Fl. summer.

Forests. NW Guangxi, S Guizhou, Taiwan [Japan].

1 Male flowers with 4(or 5) petals; inflorescences to 3 per axil, cymose, shorter than petiole.   7a subsp. insularis
+ Male flowers usually without petals; inflorescences solitary or paired, narrow, thyrsoid, and racemelike, up to as long as leaf, rarely longer.   7b subsp. guangxiensis

Lower Taxa


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