Actinidia callosa Lindl.

The taxonomy of this species remains a complex issue open to further investigation.

Climbing shrubs, large, deciduous. Floral branchlets glabrous, rarely strigose, lenticels very conspicuous; pith brown, lamellate, or sometimes solid; buds densely rusty strigose; two-year-old branches grayish, with rugose striae when dry, lenticels dehiscent or not, pith brown, lamellate. Petiole reddish, 2-8 cm, glabrous, rarely strigose; leaf blade abaxially pale green, adaxially dark green, ovate to broadly ovate to obovate or elliptic, 5-12 × 3.5-8.5 cm, abaxially glabrous except for barbate vein axils, adaxially glabrous or occasionally strigillose, midvein and lateral veins conspicuous abaxially, slightly sulcate adaxially, lateral veins 6-8 pairs, reticulate veins subconspicuous to conspicuous, with slightly raised parallel cross-bars, base broadly cuneate to rounded to truncate or cordate, margin setose-serrate to serrate to undulate-serrate or subentire, tips of serrations usually callose, apex acute to acuminate to obtuse or rounded. Inflorescences cymose, 1-3-flowered, glabrous or slightly puberulent; peduncles 0.7-1.5 cm; pedicels 1.1-1.7 cm. Flowers white. Sepals 5, ovate, 4-5 mm, glabrous, or abaxially glabrous and adaxially tomentose. Petals 5, obovate, 8-10 mm. Filaments 3-5 mm; anthers yellow, ovoid, 1.5-2 mm, sagittate at base. Ovary subglobose, densely white pubescent; styles slightly longer than ovary. Fruit grayish green, subglobose to ovoid or mammilliform, 1.5-5 cm, glabrous, lenticels brownish, orbicular, conspicuous. Seeds 2-2.5 mm. Fl. Apr-Jun, fr. Sep-Oct. 2n = 58, 116.

Himalaya (Garhwal to Bhutan), Assam, Indo-China, W. & C. China, Malaysia.

Anhui, Chongqing, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Henan, Hubei, Hunan, Jiangxi, Shaanxi, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Bhutan, India, Nepal].

1300-3000 m

Forests, forest margins, thickets, slopes, valleys, streamsides, moist places, also widely cultivated; 400-2600 m.

Actinidia callosa er stór klifurrunni í Actinidiaceae ætt. Hún er einlend í Kína.

Actinidia callosa là một loài thực vật có hoa trong họ Dương đào. Loài này được Lindl. mô tả khoa học đầu tiên năm 1836.

硬齿猕猴桃（学名：Actinidia callosa）是猕猴桃科猕猴桃属的植物。分布在印度、不丹、锡金、台湾以及中国大陆的云南等地，生长于海拔200米至2,900米的地区，多生长在山谷林缘、路边、山坡林中湿润地、山坡林中、路边林中、山坡灌丛、丘陵、沟边、阴山谷、林缘、山坡沟边、山谷溪边灌木林中、山谷、山坡路边、山坡阔叶林中、溪边、山谷林下、山坡、山谷边、山谷溪边、林中、湿润地、丘陵山坡、石灰岩山坡、山坡杂木林中及阴湿林中。