Vasilis Teodoridis:
Annonaceae | Fissistigma
Chieniodendron hainanense (Merrill) Tsiang & P. T. Li; Acta Phytotax. Sin. 9: 375. 1964.
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???? Fissistigma hainanense Merrill; J. Arnold Arbor. 6: 131. 1925; Desmos hainanensis (Merrill) Merrill & Chun; F. maclurei Merrill (1923); not Merrill (1922); Meiogyne hainanensis (Merrill) Ban; Oncodostigmas hainanense (Merrill) Tsiang & P. T. Li.
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???? Evergreen trees to 16 m tall; branchlets; bracteoles; pedicels; outer petals on both surfaces; inner petals outside; and fruit rusty pubescent. Trunk to 50 cm d.b.h. Petiole 4--5 mm; pubescent; leaf blade oblong to oblong-lanceolate; 6--10 cm; thinly papery; glabrous except for veins; base rounded; apex short acuminate; midvein abaxially prominent and adaxially impressed; lateral veins 6--10 pairs. Bracts ovate; 2--4 mm. Flowers ca. 1.5 cm in diam. Pedicel 6--7 mm; bracteolate at base. Sepals ovate-triangular; 4--5 mm. Petals yellow-green; outer petals oblong-ovate; 1.4--1.7 X 1--1.1 cm; inner petals slightly thick and short; inside basally concave into cucullate; ca. 1.4 X 0.8--0.9 cm. Stamens ca. 2 mm. Carpels oblong; densely villous. Stigmas ovoid; apex puberulous. Fruiting carpels terete to obovate; 2--5 X 2--2.5 cm; constricted between seeds; epicarp with a longitudinal rib. Seeds ochraceous; obliquely quadrate. Fl. Apr--Dec; fr. Aug--Mar of following year.
???? * Dense forest in valleys; 300--600 m. Guangxi; Hainan.