GH Possibly Extinct - Known from only historical occurrences, but may nevertheless still be extant; further searching needed.
Shrub, much branched; stems stout, glandular above, bark exfoliating; leaves alternate, simple, petiolate, ovate to lanceolate, averaging 35 mm long, somewhat thick and succulent, glabrous or nearly so, acute at the apex, rounded to cuneate at the ba...
Annual (?); stem slender, unbranched, about 0.9 m tall, sparingly coarse-strigose; leaves opposite to mid-stem, alternate above, narrowly linear-lanceolate, about 6 cm long, 6 mm wide, acute, entire, narrowly attenuate to a sessile base, thinly appre...
Perennial; canes, erect, stiff, with a mixture of bristle-like prickles, broad based prickles 2-3 mm long, and gland-tipped hairs; leaves pinnately compound, 3- and 5-foliate , crowded on the canes; leaflets 3-5 cm long, finely serrate, tomentose und...
Erect herbaceous perennial with tomentose and papillose stems; basal leaves densely tomentose, petiolate, base cordate, tip acute, 25-30 cm long, 7-11 cm wide; valves of the fruit oblong-ovate, rounded at the base, acute to obtuse at the apex. Flower...
Stout perennial herb; stems woody at the base, to 3 m tall with multiple ascending branches; leaves 1-5 cm long, rugose, with stellate hairs, 3-lobed, the lateral lobes shorter than the central lobe, and irregularly dentate; flowers numerous in elong...