Flora of North America species comparison

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Zephyranthes citrina

citron rain-lily, citron zephyrlily
Leaf

blade dull green, to 4 mm wide.
Flowers

erect;

perianth lemon yellow, funnelform, 3.1–5 cm;

perianth tube green, 0.7–1 cm, increasing in diam., less than 1/3 perianth length, ca. 1/2 (1/3–3/4) filament length, less than 1/2 spathe length;

tepals rarely reflexed;

stamens diverging, in 2 distinctly subequal sets;

filaments filiform, subequal, 1.2–2 cm;

anthers 5–7 mm;

style longer than perianth tube;

stigma capitate, usually among or below anthers, not exserted more than 1 mm beyond anthers;

pedicel 2.3–4.4 cm, usually longer than spathe.
Spathe

1.6–2.6 cm.
2n

= 48.

Zephyranthes citrina
Phenology Flowering summer (Jul–Sep).
Habitat Moist, sandy loam
Elevation 0–100 m (0–300 ft)
Distribution
from FNA
AL; FL; MS; Central America; South America; West Indies [Introduced in North America]
[BONAP county map]
Discussion

In the original description of Zephyranthes citrina, Baker stated that Messrs. Veitch (Chelsea, England) brought it to him in flower and that they believed it had come to them from Demerara (Guyana). The type specimen is in the Kew Herbarium, where there are also specimens of this species from areas where it clearly is not native: tropical Africa, the Malay Peninsula, and India. It is also found in the West Indies (Cuba) and Central America (Panama). This species has naturalized widely from cultivation, and considerably more work is needed to determine its native distribution.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 26, p. 300.
Parent taxa Liliaceae > Zephyranthes
Sibling taxa
Z. atamasca, Z. candida, Z. chlorosolen, Z. drummondii, Z. grandiflora, Z. insularum, Z. jonesii, Z. longifolia, Z. pulchella, Z. refugiensis, Z. rosea, Z. simpsonii, Z. smallii, Z. traubii, Z. treatiae
Name authority Baker: Bot. Mag. 108: plate 6605. (1882)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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