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Rosette usually developing only one erect stem up to 1.5 m high, sometimes quadrangular near base, sometimes regenerating from slightly swollen rootstock. Leaves sessile, narrowly oblong, elliptic to ovate-spathulate, 60-150(-180) x (10-)25-60(-100) mm, usually obtuse, with more or less cuneate, clasping base, folded lengthwise, often recurved, glabrous or with glandular hairs, green or yellowish green. Inflorescence an elongate thyrse with a number of dichasia ending in long monochasia which are recurved or coiled when flowers are in bud. Calyx with ovate, rarely lanceolate lobes 3-5(-7) mm long. Corolla pilose; tube elongate-ampullaceous with a long neck, terete, 9-11 mm long, yellowish green; lobes lanceolate-ovate, (2-)3-5 x 2-3(-4) mm, acuminate, orange. Anthers 0.8-1 mm long. Squamae linear, 2-4 mm long, tapering towards apex. Seeds up to 1 mm long.
Corolla-tube (8)9-14 mm. long, 4-gonous in the part included into the calyx, contracted above the ovary in a slender subcylindrical tubular portion, then suddenly dilatate below the limb, membranaceous, pale yellow or pale pink, pilose and matt outside, somewhat shining and glabrous inside, somewhat innate and slightly rigid in fruit, splitting ready above the follicles and falling off; corolla-lobes 3-6 x 1·7-3·5(4) mm., obovate or broadly ovate, abruptly apiculate (apicule ± 0·75 mm.), rarely attenuate, pale yellow or greenish yellow to deep yellow, salmon, scarlet or deep orange.
Stem erect, usually simple, rarely furcate or branched above the base, 3-15 mm. thick below, 4-gonous to narrowly winged or subterete and with 4 longitudinal raised lines, green or whitish on drying, glabrous or sparsely hairy below, more densely and with longer hairs above, the hairs slender, soft, spreading, up to 3 mm. long, minutely capitate-glandular; internodes 1-8·5 cm. long.
Leaves 3-23(30) x 0·7-9 cm., obovate, obovate-oblong to narrowly oblong-or linear-lanceolate, obtuse to acute, entire or sinuate to crenate or sometimes irregularly shallow-lobed, sessile, connate (sheath up to 0·5 cm.) or the uppermost free, decurrent, glabrous to shortly glandular-hairy, succulent but not thickly fleshy, flat, papery to membranous and yellowish-green on drying.
Flowers erect in ± long cymes grouped in panicle-or thyrse-like inflorescences up to 50 cm. long or sometimes reduced to the terminal group and then corymbose; internodes of inflorescences ± long, the lower ones up to 12·5 cm. long; branches of inflorescences up to 20 cm. long, erect, in the axils of leaf-like bracts, glandular-hairy; pedicels 1·5-3 mm. long, glandular-hairy.
Calyx (4)5-7(9) mm. long, rounded at the base, green, glandular-hairy; tube less than 5 to slightly more than 1/3 of the total calyx length; sepals up to 3·5 mm. broad at base, ovate, ovate-lanceolate or elliptic-oblong, attenuate-cuspidate, pale green, glandular-hairy on both sides.
Rosette usually developing only 1 erect stem, up to 1.5 m high. Stem sometimes quadrangular near base. Leaves sessile to subpetiolate with winged margins at x base, dentate, crenate to shallowly lobed. Inflorescence hairy. Flowers yellowish green.
Stamens included, insertedd above the middle of corolla-tube; filaments of lower stamens 0·5 mm., those of the upper ones 1·5 mm. long; anthers 0·5-0·75 mm. long, ovate, pale yellow, the upper ones c. 1·75-2 mm. below the mouth of corolla-tube.
A succulent herb. It grows up to 150 cm tall. It has a ring of dark green leaves. They do not have stalks. The stems have 4 angles.
Annual or biennial succulent viscid herb, 11·5-150 cm. high (incl. the inflorescence).
Follicles 5-8 mm. long, fusiform, attenuate above, pale; styles 0·5-0·75 mm. long.
Seeds 0·5-0·75 mm. long, clavate, with longitudinal raised lines.
Scales 2·5-4·5 mm. long, linear.
Flowers yellow to salmon-pink.
A herb, to 4 ft. high
