Ilex macrostigma C. Y. Wu ex Y. R. Li

Shrubs evergreen, 1.5-2 m tall. Current year’s branchlets yellow-brown when dry, longitudinally angulate and sulcate, glabrous; second year’s branchlets terete, longitudinally fissured; leaf scars slightly raised, deltoid; lenticels obscure; terminal buds narrowly conical, glabrous. Petiole 5-8 mm, glabrous, abaxially subrounded, transversely rugose, adaxially broadly sulcate; leaf blade abaxially greenish, adaxially green, elliptic-lanceolate or oblong-lanceolate, 4.5-8.5 × 1.8-2.5 cm, thinly leathery, both surfaces glabrous, midvein impressed adaxially, lateral veins 8 or 9 pairs, obliquely ascending, raised abaxially, flattened or slightly raised adaxially, furcate and anastomosing near margin, reticulate veins obscure on both surfaces, base obtuse or broadly cuneate, margin sparsely shallowly serrate, apex acuminate to long acuminate. Male flowers not known. Female inflorescences: 1-flowered cymes, fasciculate, axillary on current year’s branchlets; pedicels 2-3 mm, glabrous; bracteoles 2, basal, ovate, ciliate; calyx patelliform, ca. 2 mm in diam., 4-lobed, lobes broadly deltoid, ca. 0.5 × 1 mm, ciliate; petals and staminodes not seen; ovary ovoid, 1.5-2 mm in diam., glabrous, stigma black when dry, trapezoid-conical, large, ca. 0.5 mm, ca. 1 mm in diam. Fruit not known. Fl. Apr, fr. unknown.

NW Yunnan (Heqing).

● Forests, stream banks, mountain slopes; 1800-2500 m.

Ilex macrostigma là một loài thực vật có hoa trong họ Aquifoliaceae. Loài này được C.Y. Wu mô tả khoa học đầu tiên năm 1985.

大柱头冬青（学名：Ilex macrostigma）为冬青科冬青属的植物，是中国的特有植物。分布在中国大陆的云南等地，生长于海拔1,700米的地区，一般生长在山坡丛林中和溪边，目前已由人工引种栽培。