地耳草组 di er cao zu

Sarothra sect. Trigynobrathys Y. Kimura in Nakai & Honda, Nov. Fl. Jap. 10: 233. 1951.

[Shrubs, subshrubs or] perennial to annual herbs, [nearly always] glabrous, without dark glands. Stems rooting or not. Sepals and petals 5; sepals free, entire; petals not clawed, without apiculus; petals and stamens persistent after anthesis. Stamens [not usually clearly fascicled] irregularly arranged, anthers dorsifixed. Styles (2 or)3[-5], free. Capsule valves obscurely longitudinally vittate; placentation parietal; seeds not carinate or winged, testa reticulate to ribbed-scalariform.

Fifty-one species: North and South America, tropical and S Africa, Madagascar, E and SE Asia, Australia; introduced in Europe; two species in China.

Lower Taxa

• Hypericum gramineum G. Forster
• Hypericum japonicum Thunberg