Flora of North America species comparison

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Echeandia

echeandia
Habit Herbs, perennial, scapose, from corms with enlarged storage roots.
Leaves

basal and cauline;

blade 2-faced, very narrowly linear to narrowly oblong or elliptic, base surrounded by fibrous leaf bases from previous year.
Inflorescences

racemose or paniculate, (1–)2–4 flowers per node.
Flowers

bisexual or pseudohermaphroditic-staminate, ± erect to pendulous;

tepals strongly reflexed to spreading, distinct, yellow [orange, white, or cream], 3-veined, ± elliptic, equal;

stamens 6;

filaments linear to clavate, bearing scales at right angles to axis of filament [scaleless];

anthers connate into cone or distinct, dorsifixed near base, yellow;

ovary superior, ellipsoid, ovules 8+ per locule;

style 1.
Fruits

capsular, broadly to narrowly oblong, dehiscence loculicidal.
Seeds

black, irregularly compressed and folded, colliculose.
x

= 8.

Echeandia
Distribution
from USDA
sw United States to nw Argentina; s Bolivia; and s Peru
[BONAP county map]
Discussion

Species ca. 80 (3 in the flora).

More than 60 species of Echeandia occur in North America south of the United States. Two of those reach their northern distributional limits in the southwestern United States. The third species included here is known only from the southern tip of Texas.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Anthers connate, 4 mm or longer.
E. texensis
1. Anthers distinct, shorter than 4 mm.
→ 2
2. Filaments inserted in open pits; anthers versatile; most storage roots 1–2(–4) cm from corms.
E. flavescens
2. Filaments inserted in covered pits; anthers not versatile, usually twisted and/or reflexed, thus appearing versatile; most storage roots 2–8 cm from corms or thickened through out.
E. chandleri
Source FNA vol. 26, p. 215. Author: Robert W. Cruden.
Parent taxa Liliaceae
Subordinate taxa
E. chandleri, E. flavescens, E. texensis
Name authority Ortega: Nov. Pl. Descr. Dec., 135, plate 18. (1800)
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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