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Chengiodendron C. B. Shang, X. R. Wang, Yi F. Duan & Yong F. Li

Protologue: Phytotaxa 436: 289 (2020)

Type species: Chengiodendron marginatum (Champ. ex Benth.) C. B. Shang, X. R. Wang, Yi F. Duan & Yong F. Li = Osmanthus marginatus (Champ. ex Benth.) Hemsl.

Synonyms: Amarolea, Osmanthus sect. Leiolea, Cartrema

Distribution: SE Asia (China, Japan, Cambodia, India, Laos, Vietnam, Indonesia)

Number of species: 3 (-5)

Description from Li et al. (2020): Shrubs or trees 5-10 m. Branchlets, petiole, and leaf blade glabrous. Petiole 1-2.5 cm long; leaf blade broadly elliptic to narrowly lanceolate, rarely obovate, 7-20 x 2-5.5 cm, thick or very thick leathery, base narrowly to broadly cuneate, margin entire or rarely obscurely serrate along distal half, apex acuminate; midrib and 6-8 primary veins somewhat impressed adaxially and raised abaxially. Cymes in short and compact panicles, axillary, rarely terminal, 1-2 cm long, 10-20-flowered; bracts ovate, 2-2.5 cm long. Pedicels 1-2 mm long. Calyx 1.5-2 mm long. Corolla yellowish or greenish; tube 1.5-4 mm long; lobes oblong, reflexed, ca. 1.5 mm long. Stamens attached to distal part of corolla tube. Anther connective not elongated or projecting. Drupe black, ellipsoid or obovoid, 1.5-3 x 0.7-1.5 cm, x=23.

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