Dopatrium

Buchanan-Hamilton ex Bentham

Edwards's Bot. Reg. 21: sub plate 1770, genus no. 46. 1835.

Introduced
Etymology: Hindi do, two, and patra, leaves, alluding to opposite leaf arrangement
Treatment appears in FNA Volume 17. Treatment on page 263. Mentioned on page 11, 14.

Herbs, annual. Stems erect, glabrous [sparsely glandular]. Leaves basal and cauline, opposite; petiole absent; blade fleshy, not leathery, margins entire. Inflorescences axillary, flowers solitary; bracts present. Pedicels present; bracteoles absent. Flowers bisexual; sepals 5, proximally connate, calyx bilaterally symmetric, campanulate, lobes oblong; corolla pale blue to lavender [yellow], bilaterally symmetric, bilabiate, tubular, tube base not spurred or gibbous, lobes 5, abaxial 3, adaxial 2; stamens 2, adnate to corolla, filaments glabrous; staminode 0[2]; ovary 1[2]-locular, placentation parietal; stigma slightly 2-lobed, ± peltate. Fruits capsules, dehiscence loculicidal. Seeds 50–200, dark reddish brown, oblong-ovoid, wings absent. × = 7.

Distribution

Introduced; Asia, Africa, Australia.

Discussion

Species ca. 14 (1 in the flora).

Lower Taxa