Citation: Viv., Fl. Lib. 31 (1824).

Derivation: After Thomaso Parentucelli, 1397-1455, from 1447 Pope Nicholas V; deeply enthusiastic for the sciences and arts, he founded a Roman Botanic Gardens.

Synonymy: Not Applicable

Common name: Bartsias.

Description:
Annual herbs; leaves opposite, sessile;

Flowers subtended by a leaf-like bract but no bracteoles, in terminal spike-like racemes; calyx tubular, persistent in fruit, 4-toothed, the clefts between the teeth more or less equal; corolla 2-lipped, the upper lip hood-like, emarginate, the lower longer than the upper, 3-lobed; stamens 4, in pairs of unequal length, held in a U-configuration under the upper corolla lip, the anthers hairy with the 2 cells of each more or less equally awned at the base and shedding pollen introrsely by an attenuated pore located above the awn; stigma capitate.

Capsule loculicidal; seeds c. 0.25-0.45 mm long, numerous, smooth or finely reticulate.

Distribution:  2 species, in the Mediterranean region.

Biology: No text

Key to Species:

1. Leaves with 2 rarely 3 pairs of teeth; calyx 6-10 mm long, with the tube twice the length of the teeth; corolla red-purple, rarely white; capsule glabrous	P. latifolia 1.
1. Leaves with c. 6-10 pairs of teeth; calyx 10-17 mm or more long, with the tube equalling the teeth in length; corolla yellow; capsule eglandular-strigose	P. viscosa 2.

Author: Not yet available