Leaves rather thin, 6-7 din. long, 3-5 cm. wide, with a stout black terminal spine 1-2 cm. long, and rather distant marginal teeth 0.1-0.2 cm. long; panicle 1-3 m. tall with numerous secondary branches 5-12 cm. long, the flowers num-erous at the tips of the corymbosely branching secondary peduncles, frequently replaced by viviparous bulbils; flowers funnel-shaped, greenish white or yellow, the narrow tube about 3.5 cm. long, the lobes acuminate, virtually erect, 2.0-2.5 cm. long; stamens widely exserted, the filaments 5-6 cm. long, the anthers sublinear, 2 cm. long.
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