Proboscidea althaeifolia (Benth.) Dcne.  
Family: Martyniaceae
desert unicorn-plant,  more...
[Martynia althaeifolia Benth.,  more]
Proboscidea althaeifolia image
Liz Makings  
PLANT: Decumbent and spreading perennial to 2 dm high. ROOTS large and fusiform. LEAVES: simple; petioles 3-18 cm long; blades nearly reniform or suborbicular to broadly ovate, 2-7 cm long, 2-8 cm wide, the margins entire to deeply lobed. INFLORESCENCE: short racemes with an initial axis length of 5-12 cm but lengthening in fruit to 1-2 dm. FLOWERS: 3-16 and fragrant; pedicels 2-8 cm long, slender, ascending in anthesis and with a linear basal bract; calyx bracts orbicular or broadly ovate to oblongfalcate, 5-10 mm long, 2-5 mm wide; calyx 1-1.5 cm long, the lobes cut one third to one half its length, viscid-pubescent without, glabrous within, the margins glandularciliate; corolla yellowish-brown externally, yellow to bronze-orange internally, the tube with pale blotches and maroon, reddish-brown or rust-colored spots in two rows internally and leading out to the throat and lobes, 2-3 cm long, slightly to strongly ventricose, infundibular to campanulate, the lobes spreading; filaments viscidpubescent at their base; pistil as long as or longer than the stamens. FRUIT: body very slender, 5-6 cm long and ca. 12 mm thick, crested dorsally and sometimes ventrally, the horns about twice as long as the body, the distal tooth on the dorsal suture often forming a slender horn. NOTES: In sandy soil and on dunes and gravelly hills: Cochise, Gila, Graham, Maricopa, Mohave, Pima, Pinal, Santa Cruz, Yavapai, Yuma cos.; below 1200 m (4000 feet); May-Sept; CA, NM, TX; n Mex., Peru. REFERENCES: Raul Gutierrez Jr., 2007, Vascular Plants of Arizona: Martyniaceae. CANOTIA 3 (2): 26-31.
Proboscidea althaeifolia image
Anthony Mendoza  
Proboscidea althaeifolia image
Liz Makings  
Proboscidea althaeifolia image
Liz Makings  
Proboscidea althaeifolia image
Liz Makings  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Anthony Mendoza  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Anthony Mendoza  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Anthony Mendoza  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Liz Makings  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Anthony Mendoza  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Thomas Van Devender  
Proboscidea althaeifolia image
Anthony Mendoza  
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Liz Makings  
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image
Proboscidea althaeifolia image