Thelesperma megapotamicum

(Hopi Tea Greenthread)

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Thelesperma megapotamicum, Pawnee Buttes, Weld Co. 7918

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Thelesperma megapotamicum, Pawnee Buttes, Weld Co. 7909

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Thelesperma megapotamicum, Pawnee Buttes, Weld Co. 7910

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Thelesperma megapotamicum, Pawnee Buttes, Weld Co. 7763

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Thelesperma megapotamicum, Pawnee Buttes, Weld Co. 7769

Scientific Name Thelesperma megapotamicum USDA PLANTS Symbol THME
Common Name Hopi Tea Greenthread ITIS Taxonomic Serial No. 38525
Family Asteraceae (Sunflower) SEINet
Reference
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Description Life zones and habitat: Plains and foothills (3500 to 7500 ft.); sandy or clay soils, disturbed or open areas.
Plant: Erect perennial with several smooth, slender, branching stems 12 to 32 inches tall.
Leaves: Along lower half to three-quarters of the stem, opposite, compound once- or twice-pinnately-divided into narrow, linear, thread-like segments 3/4 to 1-1/2 inches long.
Inflorence: Solitary rayless flower heads on the ends of long peduncles with many yellow disk florets; grayish-green, often purple-tinged, involucre enclosed by an inner row of 5 to 8 phyllaries fused together for most of their length and at the bottom a ring of 3 to 5 short outer phyllaries pointing outward beyond the base.
Bloom period: June to September.
References: "Flora of Colorado" by Jennifer Ackerfield, American Southwest and SEINet.
BONAP Distribution Map


Map Color Key
Colorado Status:
Native

© Tom Lebsack 2022

Banner photo: Ten Mile Range and Rhodiola integrifolia (King’s Crown) in Summit County