TABLE 1. Comparison of morphological characters between Ormosia semicastrata, O. apiculata and O. howii

		O. semicastrata	O. apiculata	O. howii
	Number	3–5(–11)	3–5	5–7
	Shape	Ovate-oblong, elliptical, lanceolate or oblong- oblanceolate, apex acuminate, acute, obtuse or retuse, base rotunded or broadly cuneate	Oblong or broadly oblong, apex acuminate (obtuse or retuse), base acute	Oblong-obovate or oblong, apex obtuse or retuse, base cuneate or suborbicular
Leaflet	Size (mm)	4–14 × 2–5.7cm	7.5–13 × 2.5–3.5cm	6–14.0 × 2–5.5cm
	Texture	Leathery or thickly leathery	Leathery	Thickly leathery
	Indumentum	Glabrous	Glabrous	Glabrous
	Petiolule	4–9 mm	5–7 mm	7–10 mm
Flower	Shape Stamen	Small, white 5 development	Unknown Unknown	Unknown Unknown
	Shape	Spheroidal or skewed rhombic, apex abruptly contracted to oblique beak, base truncate-rotounded	Broadly orbicular, flat, apex abruptly contracted to oblique beak, 3–5 mm, base truncate-rotunded	Apex abruptly contracted to oblique beak, 3–4 mm, base suborbicular
Fruit	Texture	Leathery	Leathery	Thickly leathery
	Indumentum	Glabrous or subglabrous	Subglabrous	Glabrous or subglabrous
	Stalk	2–4 mm	3–5 mm	3–4 mm
	Number	1	1	1
	Size	0.7–1.0 × 0.6–0.9 cm	1.0 × 0.5–0.7 cm	0.8–0.9 × 0.8–0.9cm
Seed	Testa	Red, rigid, not easily separable from the cotyledons	Red, rigid, not easily separable from the cotyledons	Red, rigid, not easily separable from the cotyledons
	The position of hilum	Short axis	Short axis	Short axis
	Hilum length	2 mm	C. 1 mm	2 mm