Nanorrhinum Betsche

M. Thulin et al. Flora of Somalia, Vol. 1-4 [updated 2008] https://plants.jstor.org/collection/FLOS

Morphology General Habit

Dwarf shrubs or herbs, glabrous or pubescent with glandular or eglandular hairs

Morphology Leaves

Leaves mostly alternate, simple or sometimes deeply divided, entire, dentate or lobed, hastate or sagittate, acuminate, generally palmately veined, petiolate to subsessile, the basal leaves usually distinctly different from the upper ones

Morphology Reproductive morphology Inflorescences

Flowers pedicellate, solitary in leaf-axils or in bracteate racemes

Morphology Reproductive morphology Flowers Calyx

Calyx deeply divided; lobes entire, ± equal

Morphology Reproductive morphology Flowers Corolla

Corolla-tube spurred or rarely saccate at base; limb 2-lipped, the upper lip 2-lobed or emarginate, shorter than the lower lip, the lower lip 3-lobed, usually broad and spreading with low basal palate partially closing mouth of tube; palate glabrous to lanate

Morphology Reproductive morphology Flowers Androecium Stamens

Stamens 4, 2 long and 2 short, included, staminode minute; anthers glabrous, marginally coherent, forming a ring-like structure

Morphology Reproductive morphology Flowers Gynoecium Style

Style simple, erect; stigma capitate

Morphology Reproductive morphology Fruits

Capsule: cells equal, many-seeded, with simultaneous dehiscence or occasionally unequal with abaxial cell few-seeded, smaller and dehiscing after the adaxial cell, or rarely indehiscent; dehiscence valvate with 1–3(–6) teeth

Morphology Reproductive morphology Seeds

Seeds tuberculate, the tubercles rounded to columnar, usually widely spaced, frequently papillate.

Distribution

Genus with about 30 species, distributed from the Canary Is and the Cape Verde Is in the west, through North and North-East Africa, and South-West and South-Central Asia, to India and Myanmar in the east.