Annual or perennial, stemless to caulescent, usually rosulate, scapose ter-restrial herbs of
high-hydroperiod soils [rarely aquatic]. Roots mostly slender, diffuse-fibrous, with root hairs …

Annual to perennial [often suffrutescent] herbs [shrubs] or occasionally trees; branches
usually divaricate, with angled or swollen nodes, growth sympodial. L'eaves opposite …

The family Xyridaceae comprises two genera of rushlike perennial or annual herbs, primarily
aquatic or of high hydroperiod soils. One genus (Abolboda, 10 supp.) is tropical American …

Rosulate to caulescent, low and delicate to tall and coarse, perennial to annual, terrestrial
(rarely aquatic) herbs, mostly heliophytes of highhydroperiod acidic soils. Roots mostly …

Herbs or shrubs [rarely small trees], with quadrangulate or terete stems. Leaves opposite,
seldom alternate or whorled, simple, entire, exstipulate. Flowers regular or irregular, axillary …

Deciduous or evergreen shrubs or small trees, leaves simple, alternate, entire, exstipulate,
short-petioled [sessile], glabrous. Inflorescences terminal or axillary racemes, each flower in …

The greatest contribution to the genus Xyris of North America was made by Chapman, who
described nine new species in the first edition of his Flora of the Southern States (1860) …

Xyris torta Sm. The species of Xyris found in West Virginia was reported by Strausbaugh and
Core as three distinct species, X. caroliniana (10), X. arenicola (10), and X. flexuosa (11) …

An examination of the rather small collection of Tennessee Xy rids at the Vanderbilt
University Herbarium has revealed a spec men labeled UX. caroliniana Walt."(this name …

Armed or unarmed trees or shrubs [sometimes scandent or xeromorphic], rarely herbs.
Leaves alternate or more rarely opposite, simple or compound, usually glandular-punctate …