Thelesperma megapotamicum
Thelesperma ambiguum
green threads, Hopi tea, Hopi tea greenthread, rayless greenthread
Colorado 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.
crowded to ± scattered over proximal 1/3–1/2 of plant heights, internodes mostly 5–50(–80+) mm;
lobes mostly linear to filiform, sometimes oblanceolate, (5–)15–75 × 0.5–1(–2) mm.
0.
usually 8, rarely 0;
laminae yellow, 4–8(–12+) mm.
yellow, often with red-brown nerves, throats shorter than lobes.
red-brown, throats shorter than lobes.
of 3–5+ ovate to oblong bractlets 1–2(–3) mm.
of 3–5+ ovate to oblong bractlets 1–3 mm.
5–8 mm;
pappi 1–2(–3) mm.
4–5+ mm;
pappi usually 1.5–2+ mm, rarely 0.
= 22, 44.
= 44.
Thelesperma megapotamicum
Thelesperma ambiguum
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.)
Thelesperma ambiguum is similar to T. megapotamicum; it may be better treated as a variety of the latter.
(Discussion copyrighted by Flora of North America; reprinted with permission.)
CA
OR
Flora NW
KS Wildflowers
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
