Ilex elmerrilliana S. Y. Hu

Shrubs or small trees, evergreen, 2-7 m tall; bark gray- brown. Current year’s branchlets red-brown, longitudinally angular and ridged, glabrous; second and third year’s branchlets gray-brown, slightly stout, longitudinally fissured, lenticels elliptic, numerous but inconspicuous; leaf scars slightly raised, semicircular; terminal buds narrowly conical, bud scales loose, glabrous, ciliate. Stipules deltoid, minute, glabrous; petiole 4-8 mm, adaxially narrowly sulcate, glabrous; leaf blade adaxially deep green, shiny, elliptic or oblong-elliptic, 5-9 × 2-3.5(-6.5) cm, thickly leathery, both surfaces glabrous, midvein impressed adaxially, lateral veins and reticulate veins obscure on both surfaces, base cuneate, obtuse, or rounded, margin entire, sometimes revolute, apex acuminate or shortly obtusely pointed. Inflorescences: cymes, fasciculate, axillary on second or current year’s branchlets; bracts ovate, glabrous. Male inflorescences: cymes of order 1 or 2, 1-3-flowered; pedicels 5-10 mm, glabrous; bracteoles 2, subbasal; flowers white, 5-8-merous; calyx patelliform, ca. 3.5 mm in diam., lobes deltoid, not ciliate; corolla rotate, 6-7 mm in diam., petals oblong, ca. 3.5 × 2.5 mm, not ciliate, basally slightly connate; stamens ca. as long as petals, anthers ovoid-oblong; rudimentary ovary conical, apex obscurely lobed. Female inflorescences: 1-flowered cymes; pedicels 4-6 mm, glabrous or puberulent, base bracteolate; calyx as in male flowers; petals free, oblong, ca. 2 mm; staminodes ca. 1/2 as long as petals, sterile anthers sagittate; ovary subglobose, ca. 1 mm in diam., style evident, stigma capitate. Fruit red, globose, 4-5 mm in diam.; fruiting pedicel 5-10 mm, glabrous or puberulent; persistent calyx explanate, ca. 4 mm in diam., lobes acute; persistent style evident, ca. 0.5 mm, stigma capitate; pyrenes 6 or 7, oblong, ca. 3.5 mm, ca. 1.5 mm in diam., smooth, abaxially with a single slender ridge, slightly branched toward lower end, endocarp leathery. Fl. Apr-May, fr. Jul-Nov.

S Anhui, Fujian, Guangdong, Guangxi, Guizhou, Hubei, Hunan, Jiangxi, Sichuan (Junlian), Zhejiang.

● Evergreen broad-leaved forests, shrubby areas, forest margins; (200-)500-1500 m.

Ilex subrotundifolia C. J. Qi & Q. Z. Lin (1999), not Steyermark (1952).

Ilex elmerrilliana là một loài thực vật có hoa trong họ Aquifoliaceae. Loài này được S.Y. Hu mô tả khoa học đầu tiên năm 1950.

厚叶冬青（学名：Ilex elmerrilliana）是冬青科冬青属的植物，为中国的特有植物。分布在中国大陆的湖北、四川、浙江、安徽、广西、湖南、福建、贵州、江西、广东等地，生长于海拔200米至1,500米的地区，多生于灌丛中、山地常绿阔叶林中以及林缘，目前尚未由人工引种栽培。