Macrotomia
(from makros, long, and tome, a cutting; in allusion to the long divisions of the calyx). SYN. Leptanthe. ORD. Boragineae. A genus embracing seven or eight species of erect, hispid, perennial herbs, natives of the Himalayas and the Orient. Calyx five-parted, with long-linear segments; corolla funnel or nearly salver-shaped, with a long, slender tube, and five broad, imbricated lobes; stamens five, included; cymes dense, corymbose or spicate. Nutlets four, or fewer by abortion. Leaves alternate. M. Benthami, the only species introduced, thrives in ordinary, well-drained, garden soil, and may be increased by seeds.
M. Benthami (Bentham's). fl. sessile, 1in. long; calyx segments tipped purple; corolla lobes dark maroon-purple, triangular ovate; thyrse 8in. to 12in. high.