Chaenomeles thibetica T. T. Yu

Yu and Lu (in FRPS 36: 354. 1974) suggested that this species is a hybrid between Chaenomeles cathayensis and Docynia delavayi.

Shrubs or small trees, 1.5–3 m tall; usually with many thorns. Branchlets red or purplish brown when young, blackish brown when old, terete, with sparse, oblong lenticels; buds reddish brown, triangular, with few scales, apex obtuse. Stipules subfalcate or subreniform, large, ca. 1 × 1.2 cm, herbaceous, margin irregularly serrate, apex acute, rarely obtuse; petiole short, 1–1.6 cm, initially brown tomentose, soon glabrous; leaf blade dark green adaxially, ovate-lanceolate or oblong-lanceolate, 6–8.5 × 1.8–3.5 cm, leathery, midvein and lateral veins conspicuous abaxially and impressed adaxially, abaxially densely brown tomentose, base cuneate, margin entire, apex acute. Pedicel short. Flowers 3- or 4-fascicled. Hypanthium campanulate, abaxially glabrous. Sepals reflexed, triangular, ca. 2 mm, glabrous. Petals and stamens not seen. Styles 5, connate and densely gray pubescent at base. Pome fragrant, yellow, oblong or pear-shaped, 5–9 cm in diam., sepals caducous; fruiting pedicel short. Fl. Jul, fr. Sep–Oct.

W Sichuan, E Xizang.

Among shrubs on slopes or in valleys; 2600--3800 m.

Flowering in July; Fruiting from September to October.

Chaenomeles thibetica is occurring in W Sichuan, E Xizang of China.

Shrubs or small trees, 1.5-3 m tall; usually with many thorns. Branchlets red or purplish brown when young, blackish brown when old, terete, with sparse, oblong lenticels; buds reddish brown, triangular, with few scales, apex obtuse. Stipules subfalcate or subreniform, large, ca. 1 cm long, 1.2 cm wide, herbaceous, margin irregularly serrate, apex acute, rarely obtuse; petiole short, 1-1.6 cm long, initially brown tomentose, soon glabrous; leaf blade dark green adaxially, ovate-lanceolate or oblong-lanceolate, 6-8.5 cm long, 1.8-3.5 cm wide, leathery, midvein and lateral veins conspicuous abaxially and impressed adaxially, abaxially densely brown tomentose, base cuneate, margin entire, apex acute. Pedicel short. Flowers 3-4-fascicled. Hypanthium campanulate, abaxially glabrous. Sepals reflexed, triangular, ca. 2 mm long, glabrous. Styles 5, connate and densely gray pubescent at base. Pome fragrant, yellow, oblong or pear-shaped, 5-10 cm in diameter, sepals caducous; fruiting pedicel short.

Growing in among shrubs on slopes or in valleys; 2600-3800 m.

Chaenomeles thibetica is a species of flowering plant in the family Rosaceae. It is a tree or shrub, usually thorny, 1.5-3.0 m tall. It is native to Tibet and south-central China, and grows among shrubs in mountain valleys and on slopes. It has showy pink flowers in summer, and fruits from late summer to early autumn.

Chaenomeles thibetica là loài thực vật có hoa trong họ Hoa hồng. Loài này được T.T. Yu mô tả khoa học đầu tiên năm 1963.

西藏木瓜（学名：Chaenomeles thibetica），为蔷薇科木瓜属下的一个种。