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FOC | Family List | FOC Vol. 12 | Actinidiaceae | Actinidia

18. Actinidia indochinensis Merrill, J. Arnold Arbor. 19: 53. 1938.

中越猕猴桃 zhong yue mi hou tao

Climbing shrubs, large, deciduous. Floral branchlets glabrous or slightly rusty- and glandular-tomentose, glabrous when fruiting; branchlets with conspicuous lenticels; pith brown, lamellate. Petiole 2-3 cm, glabrous or rusty- and glandular-tomentose; leaf blade abaxially glaucous, adaxially green, ovate to elliptic to oblong-ovate or oblong-elliptic, 4-10 × 3.5-5 cm, membranous when young, leathery when old, abaxially rusty- and glandular-tomentose on midvein and lateral veins, adaxially glabrous or sparsely puberulent, midvein and lateral veins conspicuous abaxially, lateral veins 5-7 pairs, veinlets reticulate with subconspicuous cross-bars on both surfaces, base broadly cuneate to rounded, margin subentire to inconspicuously and remotely crenate toward apex, apex obtuse to acute to acuminate. Inflorescences cymose, 1-3-flowered, rusty- and glandular-tomentose; peduncles 4-9 mm; pedicels 4-11 mm; bracts linear, 1.5-2 mm. Flowers white, rarely yellowish. Sepals 5, ovate, both surfaces rusty- and glandular-tomentose, apex obtuse. Petals 5, obovate to oblong-obovate, ca. 8 mm. Filaments ca. 2 mm; anthers yellow, ovoid, ca. 1 mm. Ovary globose, densely rusty tomentose. Fruit subglobose, to 4.5 × 4 cm, lenticels yellowish brown; sepals caducous. Fl. Mar-Apr, fr. Sep-Oct. 2n = 58*.

Dense mountain forests; 600-1300 m. Fujian, Guangdong, Guangxi, Yunnan [N Vietnam].

1 Leaf blade oblong-elliptic to ovate, adaxially glabrous.   18a var. indochinensis
+ Leaf blade broadly ovate to orbicular, adaxially sparsely puberulent.   18b var. ovatifolia


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