| + | Triosteum (name shortened by Linnaeus from Triosteospermum, which is from Greek for three bony seeds). Caprifoliaceae , Feverwort. Horse Gentian. Coarse hardy perennial herbs, glabrous or glandular-pilose: sts. rather simple, terete: lvs. opposite, sessile, rather fiddle-shaped or obovate, entire: fls. usually axillary, solitary or clustered, dirty white, yellow, or purple; calyx-tube ovoid, limb 5-lobed, persistent; corolla tubular-campanulate, base of tube gibbous, limb oblique, lobes unequal; stamens 5; disk small, swollen; ovary 3-5-celled: berry fleshy or leathery, 2 (rarely 3-5)-celled, 2-3-seeded. — About 8 species, N. Amer., Himalayas, and China. |