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Thelesperma flavodiscum
Thelesperma flavodiscum (Shinners) B.L. Turner
East Texas Greenthread, Greenthread
Asteraceae (Aster Family)
Synonym(s):
USDA Symbol: THFL
USDA Native Status: L48 (N)
The green thread is 28-36 inches tall, with 1-3 stems growing from the base, usually branching in the upper portion. The leaves are opposite, mostly near the base of the stem, once or twice divided into thread like segments, about 3 inches long. There are many yellow flower heads with 8 ray flowers about 5/8 inch long, each with 4 teeth at the tip. The disc flowers are also yellow (248).
Plant Characteristics
Duration: AnnualHabit: Herb
Size Notes: Up to about 4 feet tall, often shorter.
Fruit: Fruit is a cypsela (pl. cypselae). Though technically incorrect, the fruit is often referred to as an achene.
Bloom Information
Bloom Color: Red , Yellow , BrownBloom Time: May , Jun
Distribution
USA: TXBibliography
Bibref 248 - Texas Wildflowers: A Field Guide (1984) Loughmiller, C. & L. LoughmillerSearch More Titles in Bibliography
Web Reference
Webref 38 - Flora of North America (2019) Missouri Botanical Garden, St. Louis, MO & Harvard University Herbaria, Cambridge, MA.Webref 23 - Southwest Environmental Information Network (2009) SEINet - Arizona Chapter
Additional resources
USDA: Find Thelesperma flavodiscum in USDA PlantsFNA: Find Thelesperma flavodiscum in the Flora of North America (if available)
Google: Search Google for Thelesperma flavodiscum
Metadata
Record Modified: 2023-01-30Research By: TWC Staff