Thelesperma megapotamicum
Thelesperma flavodiscum
green threads, Hopi tea, Hopi tea greenthread, rayless greenthread
east Texas greenthread
± scattered over proximal 1/2–3/4 of plant heights, internodes mostly 40–100 mm;
lobes mostly linear to filiform, sometimes oblanceolate, 20–40(–50+) × 0.5–1(–2.5) mm.
± scattered over proximal 9/10 of plant heights, internodes mostly 35–100+ mm;
lobes mostly linear to filiform, sometimes oblanceolate, (10–)25–45+ × 0.5–1(–2) mm.
0.
8;
laminae yellow, 12–20+ mm.
yellow, often with red-brown nerves, throats shorter than lobes.
yellow, often with red-brown nerves, throats shorter than lobes.
of 3–5+ ovate to oblong bractlets 1–2(–3) mm.
of 7–9 linear to narrowly triangular bractlets 4–6(–8) mm.
5–8 mm;
pappi 1–2(–3) mm.
4–5 mm;
pappi 0.5–1.5+ mm.
= 22, 44.
= 18, 20.
Thelesperma megapotamicum
Thelesperma flavodiscum
Thelesperma megapotamicum sometimes persists after plantings outside its natural range in the flora area and may become established (e.g., in California).
(Discussion copyrighted by Flora of North America; reprinted with permission.)
Differences between Thelesperma flavodiscum and T. filifolium are subtle; they may be better treated as one species.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
OR
Flora NW
KS Wildflowers
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
