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FOC | Family List | FOC Vol. 11 | Aquifoliaceae | Ilex

166. Ilex kobuskiana S. Y. Hu, J. Arnold Arbor. 31: 236. 1950.

凸脉冬青 tu mai dong qing

Shrubs or trees, evergreen, 6-15 m tall. Current year’s branchlets subterete, longitudinally angular, glabrous; second to third year’s branchlets longitudinally fissured; lenticels numerous, conspicuous; leaf scars narrowly crescent-shaped, flattened; terminal buds broadly ovoid, puberulent. Stipules deltoid, apically acute; petiole 1-1.2 cm, glabrous, abaxially rugose, adaxially longitudinally and deeply sulcate; leaf blade brown, shiny when dry, ovate, elliptic, or oblong, 6-9 × 1.5-4.5 cm, thickly leathery, abaxially punctate, both surfaces globose, midvein flattened or slightly raised adaxially, lateral veins 9 or 10 pairs, anastomosing near margin, conspicuous abaxially, obscure adaxially, reticulate veins evident abaxially only, base rounded or obtuse, rarely cuneate, margin entire, apex abruptly and shortly acuminate, acumen 5-7 mm, retuse or obtuse. Inflorescences: cymes, fasciculate, axillary on second year’s branchlets, bracts puberulent. Male inflorescences: cymes of order 2, 3-flowered; peduncles 1.5-3 mm; pedicels ca. 2 mm, glabrescent; bracteoles 2, basal; flowers 5- or 6-merous; calyx patelliform, ca. 3.5 mm in diam., shallowly 6-lobed, lobes orbicular, ciliate; corolla rotate, 6-7 mm in diam., petals obovate-elliptic, ca. 3 mm, basally slightly connate; stamens ca. as long as petals, anthers oblong; rudimentary ovary pulvinate, apex obtuse. Female inflorescences: 1-flowered cymes; pedicels 5-8 mm, puberulent; bracteoles 2, median; calyx ca. 4 mm in diam., 6-lobed, lobes orbicular, ciliate; petals 6-8, ovate-oblong, ca. 3 mm, basally slightly connate; staminodes ca. 3/4 as long as petals, sterile anther sagittate; ovary ovoid, stigma navel-like. Fruit red, ovoid, 4-6 mm in diam.; persistent calyx explanate, orbicular, lobes ciliate; persistent stigma navel-like; pyrenes 6, ellipsoidal, ca. 4 mm, 1.8-2 mm in diam., both ends pointed, longitudinally striate, not sulcate, endocarp leathery. Fl. May-Jul, fr. Jun-Nov.

Evergreen broad-leaved forests, mountain slopes; 500-1600 m. E and N Guangdong (Dabu, Ruyuan), Hainan [Vietnam].


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