Flora of North America species comparison

The green links below add additional plants to the comparison table. Blue links lead to other Web sites.
enable glossary links

Thelesperma megapotamicum

green threads, Hopi tea, Hopi tea greenthread, rayless greenthread
Habit Perennials or subshrubs, (20–)30–80+ cm.
Cauline leaves

± 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.
Ray florets

0.
Disc corollas

yellow, often with red-brown nerves, throats shorter than lobes.
Calyculi

of 3–5+ ovate to oblong bractlets 1–2(–3) mm.
Cypselae

5–8 mm;

pappi 1–2(–3) mm.
2n

= 22, 44.

Thelesperma megapotamicum
Phenology Flowering (Apr–)May–Oct.
Habitat Disturbed places on sands or clays, oak/juniper woodlands, desert scrub, yellow-pine forests
Elevation 300–2900 m [1000–9500 ft]
Distribution
from FNA
AR; AZ; CO; KS; NE; NM; OK; SD; TX; UT; WY; South America; Mexico (Chihuahua, Coahuila)
[WildflowerSearch map]
[BONAP county map]
Discussion

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.)
Source FNA vol. 21, p. 202. Treatment author: John L. Strother.
Parent taxa Asteraceae > tribe Heliantheae > subtribe Coreopsidinae > Thelesperma
Sibling taxa
T. ambiguum, T. burridgeanum, T. filifolium, T. flavodiscum, T. longipes, T. nuecense, T. simplicifolium, T. subnudum
Synonyms Bidens megapotamica, T. gracile
Name authority (Sprengel) Kuntze: Revis. Gen. Pl. 3(2): 182. (1898)
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).



Type/paste one or more Latin names into the boxes above; matching taxa will show up below the box as you type. You can use the up/down arrow keys to move through the list.

(If the plant you're looking for doesn't show up in the auto-complete list, that means it either isn't described in Flora of North America yet, or it's listed under a synonym. And please note that Flora of North America is still missing several plant families, including Apiaceae, Boraginaceae, and Polemoniaceae.)

The species comparison tool is brought to you by:
Northwest Wildflowers