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Corolla 10-14 mm. long, urceolate, narrowing from the base of the tube to the apex of the lobes; corolla-tube 7-11 mm. long, 4-4·5 mm. in maximum diameter, 4-angled, not constricted below the lobes, orange-pink or yellow within; corolla-lobes 3-5·5 x 2·25-2·75 mm., oblong or subrectangular, rounded or truncate at the apex, not apiculate, inflexed at the margins, subkeeled, fleshy, rigid on drying, erect and connivent.
Stem arising singly from the rosette of leaves of the previous year, usually simple, rarely forked near the base, arched below, then erect, stout, 12-20 mm. in diameter at the base, there leafless and marked with the annular continuous scars of fallen leaves, terete below, sub-4-angled above; lower internodes 0·5-2·2 cm. long, median ones 2-3·7 cm. long, the uppermost ones 2·3-4·5 cm. long.
Flowers erect in ± dense opposite axillary cymes grouped in terminal interrupted or continuous spike-like inflorescences or in thyrsoid panicles, 7-26 x 6-8 cm.; sometimes smaller inflorescences, 4·5-10 x 4 cm., also present in the axils of the lower and median leaves; peduncles of the cymes upright, those of the lower ones up to 7 cm. long; pedicels up to 10 mm. long.
Filaments 1 or 2 mm. long, inserted near the mouth of corolla-tube; anthers c. 1 x 1 mm., suborbicular, those of the lower stamens included or subexserted (below, attaining or slightly above the sinuses of corolla-lobes), those of the upper stamens distinctly exserted (reaching to 1/3 or 1/2 of corolla-lobes).
Calyx 5-6·5 mm. long, rather fleshy; tube 1-1·5 mm. long; sepals 2·75-3·5 mm. broad at the base, ovate or broadly elliptic, obtuse or nearly rounded to subacute at the apex.
A completely glabrous, 30-70 cm. high biennial succulent, covered everywhere with a ± persistent chalky-white powdery clothing (very dense on the inflorescence).
Follicles ± 7·5 mm. long; styles c. 0·5 mm. long to almost absent; stigmas included or slightly exserted.
Scales 1·5 x 2·5-2·75 mm. transversely subrectangular, rather broader than high, entire.
