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FOC | Family List | FOC Vol. 14 | Cornaceae | Cornus

9. Cornus macrophylla Wallich in Roxburgh, Fl. Ind. 1: 433. 1820.

梾木 lai mu

Trees, rarely shrubs, 2–15(–25) m tall. Bark grayish brown or grayish black, smooth when young, scaly when old; young branches stout, ± 4-angled, sparsely pubescent with grayish short trichomes, later glabrous; old branches dark brown, with yellowish white or grayish white elliptic to rounded lenticels and semicircular leaf scars. Leaves opposite; petiole 1.5–3 cm; leaf blade light green to slightly white abaxially, broadly elliptic, broadly ovate, or ovate-oblong, rarely elliptic, 9–16(–18) × 3.5–8.8 cm, papery, abaxially papillate, with appressed grayish white or brown short deciduous trichomes, veins 5–8, small veins conspicuous, base rounded, broadly cuneate, rarely oblique, apex acute or shortly acuminate. Inflorescences paniculate or sometimes corymbose cymes, 8–12 cm wide, sparsely or rarely densely pubescent with raised trichomes; peduncle sometimes reddish. Pedicels 0.3–4.5 mm. Flowers fragrant, white, (7–)8–10 mm in diam. Calyx lobes triangular or broadly triangular, 0.4–0.5 mm, rarely to 1 mm, taller than disk. Petals ligulate-oblong to ovate-oblong, 3–4 × 0.9–1.8 mm. Stamens equal to or slightly longer than petals; anthers yellow or rarely blue, oblong or obovoid-oblong. Style cylindrical, slightly expanded at apex to apparently clavate, 2–4 mm; stigma subcapitate, broader than style, slightly lobed. Fruit purplish black or bluish black, subglobose, 4.5–6 mm in diam.; stones compressed globose, (2.6–)3–4 mm in diam., ribs 6 or 8. Fl. Jun–Jul(–Aug), fr. Aug–Sep(–Oct).

Dense forests, mixed woods, margins of woods, slopes, streamsides; sea level to 3600 m. Anhui, Fujian, Gansu, Guangdong, Guangxi, Guizhou, Hainan, Hubei, Hunan, Jiangsu, Jiangxi, Ningxia, Shaanxi, Shandong, Sichuan, Taiwan, Xizang, Yunnan, Zhejiang [Afghanistan, Bhutan, India, Kashmir, Myanmar, Nepal, Pakistan, ?Sikkim].

1 Inflorescence sparsely pubescent with appressed trichomes; fl. Jun–Jul; flowers 8–10 mm in diam.; stone of fruit 3–4 mm in diam.   9a var. macrophylla
+ Inflorescence densely pubescent with raised trichomes; fl. Jul–Aug; flowers 7–8 mm in diam.; stone of fruit ca. 2.6 mm in diam.   9b var. stracheyi

Lower Taxa


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