- Scientific Name: Aidia canthioides (Champ. ex Benth.) Masam.
- Ref: Trans. Nat. Hist. Soc. Formosa 28:118. 1938
- Synonyms: Benkara canthioides (Champ. ex Benth.) Ridsdale; Fagerlindia canthioides (Champ. ex Benth.) Ridl.;
Randia canthioides Champ. ex Benth.
- Chinese Common Name: 香楠 xiāngnán
- Japanese Common Name: シマミサオノキ [島操の木] shimamisaonoki
- Family: Rubiaceae
- Genus: Aidia
- Distribution: Thickets or forests on hills, on mountain slopes, or at streamsides in valleys; below 100-1500 m. Fujian, Guangdong, Guangxi, Hainan, Taiwan, Yunnan [Japan, Vietnam].
- Photo: 05/03/2015, Hangzhou Botanical Garden, Zhejiang
Shrubs or trees, 1-12 m tall; branches flattened to subterete, glabrous. Petiole 5-18 mm, glabrous; leaf blade drying papery or thinly leathery, oblong-elliptic, oblong-lanceolate, or lanceolate, 4.5-18.5 × 2-8 cm, both surfaces glabrous, base cuneate to obtuse or shortly rounded, sometimes inequilateral, apex acute to acuminate; secondary veins 3-7 pairs, in abaxial axils usually with foveolate and/or pilosulous domatia; stipules deciduous or sometimes persistent on distalmost nodes, broadly triangular, 3-8 mm, glabrous, apex acute or acuminate. Inflorescences fasciculate or shortly congested-monochasial and subsessile, 2-3 × 3-5 cm, several flowered, glabrescent; bracts ovate, often fused in pairs, 0.5-1 mm, acute to obtuse; pedicels 5-17 mm. Calyx densely to sparsely strigillose; ovary portion obconic, 1-1.5 mm; limb with basal tubular portion 3-5 mm; lobes 5, triangular to deltoid, 0.5-2 mm, acute. Corolla white or yellowish white, glabrous outside; tube 8-9 mm; lobes 5, narrowly spatulate-oblong, 4-7 mm, acute. Berry 5-8 mm in diam., sparsely strigillose or glabrous; seeds 6 or 7, flattened, angled, 2-3 mm. Fl. Apr-Jun, fr. May-Feb. (Flora of China)