- Solanaceae
Key to the genera of Solanaceae
Remaining items (12)
Hyoscyamus (see note after family description) 1Stamens 5, all functional2 3Corolla-tube exceeding the calyx by c. 5 mm; capsule circumscissile, opening by an apical lidHyoscyamus (see note after family description)
3Corolla-tube exceeding the calyx by much more than 5 mm; capsule opening lengthwise by 2 or 4 valves4 4Flowers solitary; calyx tubular, base only persistent in fruit; capsule more than 2 cm long, prickly, 4-valved; seeds 2–4 mm longDatura → 4Flowers in panicles; calyx campanulate, wholly persistent in fruit; capsule less than 2 cm long, smooth, 2-valved; seeds less than 1 mm longNicotiana → 5Berry enclosed by calyx; calyx much enlarged and papery in fruit6 5Berry fully exposed; calyx not or only slightly enlarged in fruit8 6Flowers white or yellow; ovary 2-celled; fruiting calyx shortly 5-toothed; plant perennialPhysalis → 8Corolla rotate, stellate, campanulate or urn-shaped9 8Corolla narrowly funnel-shaped or tubular11 9Flowers solitary, distant, white; anthers dorsifixed, opening by longitudinal slits, shorter than filaments, not cohering around styleSalpichroa > Salpichroa origanifolia 9Flowers mostly in axillary clusters, often purplish; anthers basifixed, opening by terminal pores or short slits, longer than filaments, cohering around styleSolanum → 11Leaves mostly more than 5 cm long, not in clusters, not fleshy; flowers numerous in panicles; corolla more than 15 mm long, reddish or yellowishCestrum → 11Leaves mostly less than 5 cm long, often clustered, sometimes fleshy; flowers solitary or in clusters of 2–4; corolla to c. 10 mm long, white or pink to purplishLycium → From: Jeanes, J.A. (1999). Solanaceae. In: Walsh, N.G.; Entwisle, T.J. (eds), Flora of Victoria. Vol. 4. Cornaceae to Asteraceae. Inkata Press, Melbourne.
