Habranthus spp.
Family: Amaryllidaceae
Source: IPNI
Habranthus image
Herbs, perennial, scapose, from bulbs. Bulbs black or brown, tunicate, ovoid or globose, sometimes with long neck. Leaves deciduous, sessile, erect or recumbent, bases overlapping, sheathing; blade linear, rarely exceeding 2 cm wide, smooth. Scape hollow. Inflorescences umbellate, 1[-4]-flowered, spathaceous; spathe proximally tubular; bracteoles sometimes present. Flowers declinate [to suberect], somewhat zygomorphic; perianth connate proximally, funnelform, shortly tubular basally, 2-8 cm; tepals subequal; filaments inserted on tepals distal to perianth tube, fasciculate [semifasciculate], declinate and recurving distally, filiform, in sets of 4 different lengths; anthers submedially dorsifixed, usually parallel with floral axis, linear-oblong; ovary inferior; style filiform; stigma 3-fid, lobes linear; pedicel rarely absent, hollow. Fruits capsular, 3-locular, thin-walled, subglobose or ± oblate. Seeds numerous, dark brown to black, flat, D-shaped, obliquely winged, lustrous. x = 6. Habranthus species have at times been included in the genus Zephyranthes. The somewhat zygomorphic flower of Habranthus is clearly distinguished by filaments of 4 different lengths, which are fasciculate to semifasciculate, and always longer than the perianth tube. The actinomorphic flower of Zephyranthes is distinguished by filaments of two lengths (sometimes subequal), which are not fasciculate and are spreading except when shorter than the perianth tube. All measurements were taken from pressed, dried specimens. Generally, the maximum width of a fresh leaf would be about one and one half times that reported here.

Image of Habranthus andersonii
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