Vasilis Teodoridis:
Pittosporum pentandrum (Blanco) Merrill var. formosanum
(Hayata) Z. Y. Zhang & Turland; Novon 12: 153. 2002.
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Pittosporum formosanum Hayata in Matsumura & Hayata;
J. Coll. Sci. Imp. Univ. Tokyo 22: 32. 1906; P. formosanum
var. hainanense Gagnepain; P. pentandrum var. hainanense
(Gagnepain) H. L. Li.
Trees small or shrubs; ca. 12 m tall. Young branchlets
ferrugineous pubescent; old branchlets glabrous; inconspicuously
lenticellate. Leaves clustered at branchlet apex; appearing
pseudoverticillate; biennial or perennial; petiole 5–12 mm; leaf
blade dark green and shiny adaxially; pale green abaxially; obovate
or oblong-obovate; 4–10 x 3–5 cm; papery when young;
soon becoming leathery; pubescent on both surfaces; later glabrate;
lateral veins 7–10-paired; reticulate veins prominent
adaxially; base narrowly cuneate; decurrent; margin entire or
rugose; apex obtuse or shortly acute; sometimes rounded. Inflorescences
terminal; paniculate; with numerous corymbs;
densely ferrugineous pubescent; primary peduncle and primary
axis 4–8 cm; secondary peduncles 1.5–4 cm; tertiary peduncles
3–5 mm; bracts lanceolate; ca. 2 mm; deciduous; bracteoles
ovate-lanceolate; 1.5–2 mm; glabrous or margin ciliate; pedicels
3–6 mm. Petals 5–6 mm. Filaments ca. 3 mm; anthers ca. 1
mm. Ovary ovoid; sparsely ferrugineous pubescent at base;
placentas 2; parietal; in proximal part of ovary; ovules 12–16.
Capsule compressed globose; 6–9 mm in diam.; glabrous; dehiscing
by 2 valves; pericarp thinly woody; horizontally striate
adaxially. Seeds ca. 10; irregularly angular; ca. 3 mm. Fl. May–
Nov; fr. Oct–Dec.
Thickets; slopes; seashores; sea level to 300 m. S Guangxi (Hepu
Xian); Hainan; S Taiwan (including Lan Yu) [Vietnam]