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==光序肉实树形态特征==
光序肉实树
Young branchlets and petioles glabrous. Leaf blade pubescent when young but abaxially glabrescent, sometimes with glandular pits in axils of lateral veins. Inflorescences slightly pubescent. Staminodes subulate to sometimes lanceolate-linear, inflexed, carinate. Fl. Oct-Feb.
Dense forests of valleys; 600--1000 m. S Yunnan [N Vietnam].
光序肉实树（变种）
var. simondii (Gagn.) Lam et van Royen in Blumea 7: 151. 1952; 云南植物志1:300. 1977. ——Sarcosperma simondii Gagnep. in Bull. Mus. Nat. Hist. Paris, ser. 2, 20: 294. 1948. ——S. kachinensis auct. non Exell. : Aubr. Fl. Camb. Laos et Vietn. 3: 94, 1963, p. p.
该变种与绒毛肉实树的区别在于：嫩枝、叶柄、叶背（嫩时被毛）无毛，花序疏被毛；侧脉腋内多少具腺槽；退化雄蕊钻形或有时披针状线形，内弯，具龙骨状突起。