Thymophylla pentachaeta (DC.) Small  
Family: Asteraceae
fiveneedle pricklyleaf,  more...
[Dyssodia pentachaeta (DC.) B.L. Robins.]
Thymophylla pentachaeta image
Max Licher  
Perennials or subshrubs, ± grayish to green, to 15(-25) cm, usually puberulent to canescent, sometimes glabrescent or glabrous. Stems erect or spreading. Leaves mostly opposite; blades mostly pinnately lobed, 6-28+ mm overall, lobes 3-11 linear to filiform (usually stiff, setiform). Peduncles 20-100 mm, puberulent or glabrous. Calyculi 0, or of 1-5 deltate bractlets, lengths less than 1/2 phyllaries. Involucres obconic to campanulate or hemispheric, 4-6 mm. Phyllaries 12-21, margins of outer distinct 1/5 to nearly all their lengths, abaxial faces puberulent or glabrous. Ray florets (8-)12-21; corollas yellow to orange-yellow, laminae 2-6(-8) × 1-3 mm. Disc florets 16-40 or 50-80; corollas yellow, 2-4 mm (tending to zygomorphy in peripheral florets in some plants). Cypselae 2-3 mm; pappi of 10 erose and/or aristate scales mostly 1-3 mm.
Plant: Perennial forb to 30 cm Leaves: leaves with translucent oil glands, filiform and clustered at nodes
Thymophylla pentachaeta image
Max Licher  
Thymophylla pentachaeta image
Max Licher  
Thymophylla pentachaeta image
Max Licher  
Thymophylla pentachaeta image
Max Licher  
More Images        Web Links       View Parent Taxon       Close window