Flora of North America species comparison

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Schoenolirion

rush-lily, sunnybell
Habit Herbs, perennial, scapose, glabrous, from rootstocks; rootstock vertical, 1–12 cm, fleshy, sometimes bulbose; principal roots contractile, arising from tops of rootstocks.
Bulbs

, when present, ovoid or elongate, scales lunate.
Leaves

2–7, basal;

blade flat to nearly terete, sometimes keeled.
Inflorescences

racemose or 1–3(–6)-branched, bracteate, flowers initially crowded, internodes elongating after anthesis.
Flowers

soon deciduous if unfertilized;

tepals persistent, withering separately to base, distinct, yellow or white, each 3–7-veined, equal, 2–6 mm;

stamens 6;

filaments equal, shorter than tepals, 1–2 mm, inner 3 nectariferous at base;

anthers introrse;

ovary superior, globose, 3-lobed, 3-locular, placentation axile, ovules 2 per locule;

style 1;

stigma unlobed or slightly 3-lobed;

pedicel 6–15(–30 mm).
Fruits

capsular, dehiscent, flattened or indented at top, prominently 3-lobed.
Seeds

glossy black, globose, flattened on 1 side, smooth.
x

= 12.

Schoenolirion
Distribution
from USDA
se United States; including e Tex
[BONAP county map]
Discussion

Species 3 (3 in the flora).

Excluded species:

Schoenolirion texanum (scheele).a. gray and oxytria texana (scheele).pollard are names based upon ornithogalum texanum scheele, which is the same as camassia scilloides (rafinesque).cory, and does not belong to schoenolirion

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Leaves without fleshy bases, arising from tops of vertical rootstocks, withering to persistent fibers; inflorescences 1–3(–6)-branched; tepals white or greenish white.
S. albiflorum
1. Leaves with fleshy bases, arising from bulbs at tops of vertical rootstocks, not withering to persistent fibers; inflorescences seldom branched; tepals white or yellow.
→ 2
2. Tepals yellow.
S. croceum
2. Tepals white.
S. wrightii
Source FNA vol. 26, p. 312. Author: H. L. Sherman.
Parent taxa Liliaceae
Subordinate taxa
S. albiflorum, S. croceum, S. wrightii
Synonyms Amblystima, Oxytria
Name authority Torrey ex Durand: J. Acad. Nat. Sci. Philadelphia, ser. 2, 3: 103. (1855)
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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