Flora of North America species comparison

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Subularia

awlwort
Habit Annuals; (littoral or aquatic); scapose; glabrous throughout.
Stems

erect, unbranched.
Leaves

(persistent);

basal; rosulate;

sessile;

blade margins entire;

cauline absent.
Racemes

(lax or somewhat congested), slightly or considerably elongated in fruit.
Flowers

sepals (sometimes persistent), ascending to erect, ovate-oblong, lateral pair not saccate basally;

petals (rarely absent), white, narrowly oblanceolate to lingulate, (slightly exceeding sepals), claw undifferentiated from blade, apex obtuse;

stamens subequal;

filaments not dilated basally;

anthers ovate;

nectar glands confluent, subtending bases of stamens.
Fruiting pedicels

usually ascending, rarely divaricate, divaricate-ascending, or suberect, slender or stout.
Fruits

silicles, shortly stipitate, obovoid to ellipsoid [oblong], smooth, terete or slightly inflated;

valves each not veined;

replum rounded;

septum complete;

ovules 4–18 per ovary;

style absent;

stigma capitate.
Seeds

biseriate, slightly compressed, not winged, oblong;

seed coat not mucilaginous when wetted;

cotyledons incumbent.
x

= 14, 15.

Subularia
Distribution
from USDA
n North America; Europe (n, Russia); Africa
[BONAP county map]
Discussion

Species 2 (1 in the flora).

The second species of the genus, Subularia monticola A. Brown ex Schweinfurth, is endemic to high elevations of tropical Africa. For a discussion and distinguishing characteristics of all taxa of the genus, as well as a map of the North American distribution, see G. A. Mulligan and J. A. Calder (1964).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Source FNA vol. 7, p. 509. Author: Ihsan A. Al-Shehbaz.
Parent taxa Brassicaceae > tribe Cardamineae
Subordinate taxa
S. aquatica
Name authority Linnaeus: Sp. Pl. 2: 642. (1753): Gen. Pl. ed. 5, 290. (1754)
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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