Thelesperma subnudum
Thelesperma simplicifolium
hairy greenthread, Navajo tea
Edwards Plateau greenthread, slender greenthread
mostly crowded over proximal 1/4(–1/2) of plant heights, internodes mostly 1–5(–35 mm);
lobes mostly oblanceolate to linear, (5–)10–35(–45+) × (1–)2–3(–5) mm.
± scattered over proximal 3/4+ of plant heights, internodes mostly 45–95 mm;
lobes mostly linear to filiform, sometimes oblanceolate, (5–)15–45(–60) × 0.5–1(–2) mm.
0, or 8;
laminae yellow, (6–)12–20+ mm.
usually 8, rarely 0;
laminae yellow, 9–15(–20+) mm.
yellow, sometimes with red-brown nerves, throats equal to or longer than lobes.
yellow with red-brown nerves, throats equal to or longer than lobes.
of 7–9 deltate to lance-linear bractlets 2–4+ mm.
of 6–8+ linear to subulate bractlets 1–3+ mm.
5–7 mm;
pappi usually 0, rarely 0.1–0.5 mm.
3–4 mm;
pappi usually 0, rarely 0.1–0.3+ mm.
= 22, 24.
= 20.
Thelesperma subnudum
Thelesperma simplicifolium
As here circumscribed, Thelesperma subnudum includes plants that have been treated as distinct species and/or varieties (some of which have been treated as of conservation concern). See C. J. Hansen et al. (2002) for an alternate interpretation of T. subnudum.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Thelesperma simplicifolium is used in roadside plantings and may be encountered as a waif outside its natural range in the flora area (e.g., in California).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CalFlora
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
