Vasilis Teodoridis:
Rutaceae | Atalantia
1. Atalantia buxifolia (Poiret) Oliver ex Bentham; Fl. Hongk. 51. 1861.
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Citrus buxifolia Poiret; Encycl. 4: 580. 1797; Dumula sinensis Loureiro ex B. A. Gomes; Limonia monophylla Loureiro (1790); not Linnaeus (1767); Severinia buxifolia (Poiret) Tenore; S. monophylla Tanaka.
Shrubs ca. 2.5 m tall. Branches grayish brown; branchlets green; with spines or rarely unarmed; spines ca. 4 cm; apex red. Leaves simple; petiole 1-7 mm; leaf blade ovate; obovate; elliptic; or suborbicular; 2-6(-10) x 1-5 cm; leathery; with oil glands and an orange smell; midvein slightly ridged; secondary veins joined in an arched marginal vein; apex rounded to obtuse and retuse to emarginate at tip. Inflorescences axillary; fasciculate; (1- or) several flowered. Flowers 5-merous; subsessile. Calyx persistent. Petals white; 3-4 mm; with oil glands. Stamens 10; filaments white; distinct or sometimes a few basally connate. Style green; ± as long as ovary. Fruit bluish black when ripe; globose; slightly oblate; or subellipsoid; 0.8-1.2 cm in diam.; smooth; 1- or 2-seeded. Seeds with 1(or 2) embryos; cotyledons green; with many oil glands. Fl. May-Dec; fr. Sep-Dec. 2n = 36.
Forests or thickets near ocean; below 300 m. S Fujian; S Guangdong; S Guangxi; Hainan; S Taiwan; Yunnan [Malaysia; Philippines; Vietnam].