Townsendia
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Read about Townsendia in the Standard Cyclopedia of Horticulture
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Townsendia (David Townsend, botanical associate of Wm. Darlington, of Pennsylvania). Compositae. Low many-stemmed herbs, nearly all of which are natives of the Rocky Mountains; sometimes planted. Leaves linear or spatulate, entire: heads rather large, resembling those of Aster; rays in 1 series, from violet to rose-purple or white and blooming from early spring to summer.—About 17 species. The annual or biennial species have larger heads than most of the perennials. Judging from the literature, the largest-fld. of the perennials are T. condensata, T. Wilcoxiana, and T. Rothrockii, 3 species which seem not to be in cult. as yet. The species mentioned below are presumably among the most desirable of the genus. They are offered by collectors of Colo. wild flowers. As a genus, Townsendia is distinguished mainly by its achene, which is commonly beset with bristly duplex hairs, having a forked or glochidiate-capitellate apex. Townsendia is practically unknown to floriculture. For fuller account, see Gray's Synoptical Flora of North America and Coulter and Nelson's Manual of Rocky Mountain Botany. T. condensata, Parry. Very lanuginous: lvs. spatulate-obovate, crowded around the large, broad, sessile heads: rays 100 or more, narrow. Wyo.—T. Rothrockii, Gray. Lvs. spatulate, rosulate around the solitary head which is closely sessile at surface of ground, or at length with 1 or 2 additional heads from same crown. Colo.— T. Wilcoxiana, Wood. A small stemless plant: lvs. in rosettes, spatulate, hairy: fl.-heads yellow, on short scapes, 1/2 in. across. Dry plains and hills, Okla. to Colo. CH
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Species
Selected specieswp:
- Townsendia alpigena - Wyoming Townsend daisy
- Townsendia annua - annual Townsend daisy
- Townsendia aprica - Last Chance Townsend daisy
- Townsendia condensata - cushion Townsend daisy
- Townsendia exscapa - stemless Townsend daisy
- Townsendia florifer - showy Townsend daisy
- Townsendia gypsophila - gypsum-loving Townsend daisy
- Townsendia incana - hoary Townsend daisy
- Townsendia leptotes - common Townsend daisy
- Townsendia nuttalli - Nuttall's Townsend daisy
- Townsendia parryi - Parry's Townsend daisy
- Townsendia scapigera - tufted Townsend daisy
- Townsendia smithii - Black Rock Townsend daisy
- Townsendia spathulata - sword Townsend daisy
- Townsendia texensis - Texas Townsend daisy
Gallery
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photo 3
References
- Standard Cyclopedia of Horticulture, by L. H. Bailey, MacMillan Co., 1963
External links
- w:Townsendia. Some of the material on this page may be from Wikipedia, under the Creative Commons license.
- Townsendia QR Code (Size 50, 100, 200, 500)