. Brigham Young University science bulletin. Biology -- Periodicals. .Map No. 10. C. semiglahra Southern Barneby. Utah and northern Arizona. Range of. Map. No. I I. .lohnston. Uintah County. Utah. Range of C. banicbx slendei', 1-several fiom a tmilliple caiidex. dm long, strigose, and appicssed setose, leaves linear to narrowly oblanceolate, acute, 3-9 cm long, cm wide, dorsal surface densely strigose, and with appressed setose hairs, pustulate, ventral surface uniformly strigose and with few or no pustulate hairs, petioles white-ciliate; intlorescencc narrow. ; dm lo
. Brigham Young University science bulletin. Biology -- Periodicals. .Map No. 10. C. semiglahra Southern Barneby. Utah and northern Arizona. Range of. Map. No. I I. .lohnston. Uintah County. Utah. Range of C. banicbx slendei', 1-several fiom a tmilliple caiidex. dm long, strigose, and appicssed setose, leaves linear to narrowly oblanceolate, acute, 3-9 cm long, cm wide, dorsal surface densely strigose, and with appressed setose hairs, pustulate, ventral surface uniformly strigose and with few or no pustulate hairs, petioles white-ciliate; intlorescencc narrow. ; dm long, conspicuously white setose, foliar bracts evident but not conspicuous; calyx segments linear, in anthesis 6-8 mm long, in fruit becoming 10-15 mm long, setose; corolla white, the tube 8-10 mm long, crests at base of tube evident, fornices yellow, emar- ginate, mm long, limb 8-10 mm wide; style exceeding mature fruit 2-8 mm (heterostyled); nutlets ovate, mm long, mm wide, usually less than four maturing, margins acute, in contact, both surfaces smooth and glossy, scar stiaight, closed, ele- vated margin lacking. Collections: 16 (0); repiesenta- tive: J. H. Sandberg and J. B. Leibeig 373 (RM. US); J. W. Thompson I 1453 (US. WTU); T. S. Brandegee W7 (US); L. Hitchcock 20952 (RM); A. Elmer 1056 (US);J. 1027 (US). Type: Douglas collected in Washington State, on arid barrens of the Columbia River. Not seen. Distribution: Upper Sonoraii Zone in south-central Washington along the Columbia River and its north- ern and southern tributaries. Growing in sandy soil. Map No. 1 2. Late April to early July. This species of south-central Washington is most closely related to C. confertijlom. but differs from this species by the white corolla, the open and more elongated intlorescence, and the evident crests at the base of the corolla tube. 13. CiyptaiUha sahnonensis (Nels. & Macbr.) Payson Cryptaiitha sahnonensis (Nels. & Macbr.) Payson. Ann. Mo. B
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