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

10. Actinidia rubricaulis Dunn, Bull. Misc. Inform. Kew. 1906: 2. 1906.

红茎猕猴桃 hong jing mi hou tao

Climbing shrubs, mid-sized to large, semi-evergreen, glabrous except for white pubescent ovary. Branchlets reddish, lenticels conspicuous; pith whitish, solid. Petiole 1-3 cm; leaf blade oblong-lanceolate to elliptic to oblanceolate, 8-16 × 1.2-5 cm, papery to thickly leathery, midvein and lateral veins raised or slightly raised abaxially, inconspicuous or sulcate adaxially, lateral veins 6 or 7 pairs, veinlets reticulate, inconspicuous on both surfaces or subconspicuous abaxially, base cuneate to rounded, margin laxly serrulate to sharply serrate, teeth sometimes glandular, apex acuminate to acute. Inflorescences often 1-flowered, sometimes 2-5-flowered cymes along short, distally leafy, proximally leafless branches; pedicels to 2.5 cm. Flowers white to reddish. Sepals 5, ovate to oblong, 4-5 mm, glabrous or sometimes puberulent adaxially, margin ciliate. Petals 5, oblong-ovate to suborbicular, 7-10 mm. Filaments 1-3.5 cm; anthers yellow, ovoid, slightly sagittate at base, rounded at apex. Ovary oblong-ovoid or conical, to 2.5 mm, white pubescent, glabrescent; styles to 3 mm. Fruit dark green, ovoid to globose, 1.5-2 cm, glabrous when mature, lenticels brown; persistent sepals reflexed. Fl. Apr-May, fr. Sep-Nov. 2n = 58*.

Broad-leaved forests; 300-2900 m. Chongqing, NW Guangxi, Guizhou, Hubei, W Hunan, Sichuan, Yunnan [Thailand].

1 Flowers white; ovary soon glabrescent; leaves papery.   10a var. rubricaulis
+ Flowers reddish; ovary white pubescent until formation of young fruit; leaves thickly leathery.   10b var. coriacea


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