Vasilis Teodoridis:
Annonaceae | Goniothalamus
Goniothalamus howii Merrill & Chun; Sunyatsenia 5: 60. 1940.
??????? hai nan ge na xiang
???? Trees to 15 m tall; glabrous except for flowers. Petiole 7--10 mm; leaf blade oblong to sometimes elliptic; 10--25 X 4--8 cm; papery; fulvous when dry; base acute to rounded; apex short acuminate to obtuse; lateral veins 10--15 pairs. Inflorescences axillary; 1-flowered. Pedicel 1--2 cm; puberulous; several-bracteolate at base. Sepals broadly ovate; ca. 5 mm; outside puberulous. Petals yellow-green; outer petals broadly ovate; 2.2--2.5 X 1.6--1.8 cm; leathery; sparsely pubescent; inner petals broadly ovate to subrhomboid; 1.3--1.5 cm; thickly leathery; densely hispid. Stamens oblong; connective rotund. Carpels 15--18; pubescent; ovules 6 per carpel. Styles oblong; as long as ovary; stigmas apex 2-cleft. Fruiting carpels ovoid to oblong-ovoid; 3--6 X 2--2.5 cm; glabrous. Fl. Mar--Sep; fr. May--Jan of following year.
???? * Montane forests; 300--800 m. Hainan; S Yunnan.