EcoFlora - Thymophylla tenuiloba

Thymophylla tenuiloba (DC.) Small
Family: Asteraceae Bristle-Leaf Pricklyleaf Sue Carnahan	FNA Resources John L. Strother in Flora of North America (vol. 21) Annuals (rarely persisting), green, to 30 cm, glabrous or sparsely hirtellous. Stems decumbent to erect. Leaves mostly alternate (sometimes opposite at 1-3 proximal nodes); blades usually lobed, 12-28 mm overall, lobes 7-15, linear to filiform, pliable (blades mostly not lobed in var. wrightii. Peduncles 30-80 mm, glabrous or hirtellous. Calyculi of 3-8 deltate to subulate bractlets, lengths less than ¹/2 phyllaries. Involucres obconic, 5-7 mm. Phyllaries 12-22, margins of outer distinct less than ¹/5 their lengths, abaxial faces glabrous or sparsely hirtellous. Ray florets 10-21; corollas yellow-orange, laminae 4-10 × 1.5-3 mm. Disc florets 50-100+; corollas yellow, 2.5-4.5 mm (peripheral ± zygomorphic in some plants). Cypselae 2-3.5 mm; pappi of erose and/or aristate scales 0.7-3.5 mm.
Open Interactive Map Sue Carnahan Sue Carnahan $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ $Thymophylla tenuiloba image$ Click to Display 100 Initial Images - - - - - View All Images