Tidestromia lanuginosa (Nutt.) Standl. 
Family: Amaranthaceae
woolly tidestromia,  more
[Achyranthes lanuginosa T.Nuttall,  more]
Tidestromia lanuginosa image
Liz Makings  
Photographer: Liz Makings
Manager: ASU Vascular Plant Herbarium
Locality: San Pedro Riparian National Conservation Area
 
Plant: Annual forb 10-20 cm; stems procumbent to prostrate, radiating from the root; stems reddish, herbage with branched hairs making leaves appear whitish Leaves: leaves (opposite) broadly ovate to spatulate 1-2 cm across, upper << lower; young terminal leaves white-gray, tomentose-canescent, hairs short, much-branched, wearing off, older leaves green above, more whitish below Inflorescence: cymes, clusters of 1-5 flowers, axillary, sessile, subtended and ± enclosed by involucres of 2-3 bract-like leaves that become hardened; bracts scarious Flowers: flowers yellow, in small axillary clusters, bisexual; sepals 5, 1.8-2.6 mm, 1-veined, glabrous inside, sometimes canescent outside, reflexed, inner scarious-margined; filament tube 0.3-0.4 mm, free filaments 0.6-1.6 mm; ovary spheric, style 1, short, stigma head-like or 2-lobed Fruit: a compressed utricle, indehiscent; wall membranous; Seed obovoid, brown Misc: Slopes; ± 1200 m; Jul-Oct References: J.C. Hickman, ed. The Jepson Manual.W.B. McDougal. Seed plants of Northern Arizona. ASU specimens.
Tidestromia lanuginosa image
Max Licher  
Tidestromia lanuginosa image
Liz Makings  
Tidestromia lanuginosa image
Max Licher  
Tidestromia lanuginosa image
Mark A. Dimmitt  
Photographer: Max Licher
Manager: ASU Vascular Plant Herbarium
Photographer: Liz Makings
Manager: ASU Vascular Plant Herbarium
Locality: San Pedro Riparian National Conservation Area
Photographer: Max Licher
Manager: ASU Vascular Plant Herbarium
Photographer: Mark A. Dimmitt
Manager: ASDM Sonora Desert Digital Library
Locality: Ironwood Forest National Monument, Waterman Mts., Pima Co., AZ
Copyright: © 2002 ASDM
Tidestromia lanuginosa dot map
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