Sidalcea

Siskiyou checkerbloom Sidalcea malvaeflora ssp. patula, copyright Krzysztof Ziarnek, Kenraiz.

Belongs within: Malvaceae.

Sidalcea, the checker mallows, is a genus of herbs and subshrubs found in western North America.

See also: Checker mallows.

Characters (from Hickman 1993): Annual or perennial, sometimes from long, creeping rhizomes. Stem generally erect or base more or less decumbent. Leaves generally mostly from near stem base; lowest blades generally crenate to shallowly lobed, upper blades generally deeply lobed (gen more or less compound). Inflorescence generally spike- or panicle-like, generally more open in fruit; bracts at pedicel base 2, generally stipule-like; bractlets subtending calyx generally 0(-3). Flower with calyx lobes as long as or longer than tube; petals purple or rose-pink to white; stamen-tube with generally two series of more or less fused filaments near tip; stigmas linear, on inner side of style branches. Fruit segments generally 5-10, indehiscent, generally more or less beaked, walls thin. Single seed per fruit segment.

<==Sidalcea
    |--S. calycosa H93
    |--S. campestris Greene 1885 [incl. S. asplenifolia Greene 1897, S. sylvestris Nels. 1907] H57
    |--S. candida Gray 1849 H57
    |    |--S. c. var. candida [incl. S. c. var. tincta Cockerell 1900] H57
    |    `--S. c. var. glabrata Hitchcock 1957 H57
    |--S. covillei Greene 1914 [=S. malvaeflora var. covillei Roush 1931] H57
    |--S. cusickii Piper 1916 H57
    |    |--S. c. ssp. cusickii [=S. oregana var. cusickii Roush 1931] H57
    |    `--S. c. ssp. purpurea Hitchcock 1957 H57
    |--S. diploscypha H93
    |--S. glaucescens Greene 1885 [incl. S. montana Congdon 1900] H57
    |--S. hartwegii H93
    |--S. hendersonii Wats. 1888 H57
    |--S. hickmanii Greene 1887 H57
    |    |--S. h. ssp. hickmanii H57
    |    |--S. h. ssp. anomala Hitchcock 1957 H57
    |    |--S. h. ssp. parishii (Rob.) Hitchcock 1957 (see below for synonymy) H57
    |    `--S. h. ssp. viridis Hitchcock 1957 H57
    |--S. hirtipes Hitchcock 1957 H57
    |--S. keckii H93
    |--S. malachroides (H. & A.) Gray 1868 (see below for synonymy) H57
    |--S. malvaeflora (DC.) Gray ex Benth. 1848 (see below for synonymy) H57
    |    |--S. m. ssp. malvaeflora (see below for synonymy) H57
    |    |--S. m. ssp. asprella (Greene) Hitchcock 1957 (see below for synonymy) H57
    |    |--S. m. ssp. californica (Nutt.) Hitchcock 1957 (see below for synonymy) H57
    |    |--S. m. ssp. celata (Jepson) Hitchcock 1957 [=S. malvaeflora var. celata Jepson 1936] H57
    |    |--S. m. ssp. dolosa Hitchcock 1957 H57
    |    |--S. m. ssp. elegans (Greene) Hitchcock 1957 [=S. elegnas Greene 1914] H57
    |    |--S. m. ssp. laciniata Hitchcock 1957 H57
    |    |    |--S. m. ssp. l. var. laciniata H57
    |    |    `--S. m. ssp. l. var. sancta Hitchcock 1957 H57
    |    |--S. m. ssp. nana (Jepson) Hitchcock 1957 [=S. reptans var. nana Jepson 1936] H57
    |    |--S. m. ssp. patula Hitchcock 1957 H57
    |    |--S. m. ssp. purpurea Hitchcock 1957 non S. cusickii ssp. purpurea H57
    |    |--S. m. ssp. sparsifolia Hitchcock 1957 H57
    |    |    |--S. m. ssp. s. var. sparsifolia H57
    |    |    |--S. m. ssp. s. var. hirsuta Hitchcock 1957 H57
    |    |    |--S. m. ssp. s. var. stellata Hitchcock 1957 H57
    |    |    `--S. m. ssp. s. var. uliginosa Hitchcock 1957 H57
    |    `--S. m. ssp. virgata (Howell) Hitchcock 1957 [=S. virgata Howell 1897] H57
    |--S. multifida Greene 1914 H57
    |--S. nelsoniana Piper 1919 H57
    |--S. neomexicana Gray 1849 H57
    |    |--S. n. ssp. neomexicana H57
    |    |--S. n. ssp. crenulata (Nels.) Hitchcock 1957 [=S. crenulata Nels. 1904] H57
    |    |--S. n. ssp. diehlii (Jones) Hitchcock 1957 [=S. neomexicana var. diehlii Jones 1908] H57
    |    `--S. n. ssp. thurberi (Rob.) Hitchcock 1957 (see below for synonymy) H57
    |--S. oregana (Nutt.) Gray 1849 [=Sida oregana Nutt. in T. & G. 1838] H57
    |    |--S. o. ssp. oregana H57
    |    |    |--S. o. ssp. o. var. oregana [incl. S. nervata Nels. 1904] H57
    |    |    |--S. o. ssp. o. var. calva Hitchcock 1957 H57
    |    |    |--S. o. ssp. o. var. maxima (Peck) Hitchcock 1957 [=S. maxima Peck 1941] H57
    |    |    |--S. o. ssp. o. var. nevadensis Hitchcock 1957 H57
    |    |    `--S. o. ssp. o. var. procera Hitchcock 1957 H57
    |    |--S. o. ssp. eximia (Greene) Hitchcock 1957 [=S. eximia Greene 1914] H57
    |    |--S. o. ssp. hydrophila (Heller) Hitchcock 1957 [=S. hydrophila Heller 1904] H57
    |    |--S. o. ssp. spicata (Regel) Hitchcock 1957 (see below for synonymy) H57
    |    `--S. o. ssp. valida (Greene) Hitchcock 1957 (see below for synonymy) H57
    |--S. pedata Gray 1887 [=S. spicata var. pedata Jepson 1925] H57
    |--S. ranunculacea Greene 1904 (see below for synonymy) H57
    |--S. reptans Greene 1897 [=S. spicata var. reptans Jepson 1925; incl. S. favosa Congdon 1900] H57
    |--S. rhizomata H57 [=S. calycosa ssp. rhizomata H93]
    |--S. robusta Heller ex Roush 1931 [=S. asprella var. robusta Jepson 1936] H57
    |--S. setosa Hitchcock 1957 H57
    |    |--S. s. ssp. setosa H57
    |    `--S. s. ssp. querceta Hitchcock 1957 H57
    `--S. stipularis H93

Sidalcea hickmanii ssp. parishii (Rob.) Hitchcock 1957 [=S. hickmanii var. parishii Rob. 1897, S. parishii Rob. ex Davids & Moxley 1923] H57

Sidalcea malachroides (H. & A.) Gray 1868 [=Malva malachroides H. & A. 1840, Hesperalcea malachroides Greene 1892; incl. S. vitifolia Gray 1868] H57

Sidalcea malvaeflora (DC.) Gray ex Benth. 1848 [=Sida malvaeflora DC. 1824, Nuttallia malvaeflora F. & T. in F. & M. 1837] H57

Sidalcea malvaeflora ssp. asprella (Greene) Hitchcock 1957 [=S. asprella Greene 1885, S. malvaeflora var. asprella Jepson 1925] H57

Sidalcea malvaeflora ssp. californica (Nutt.) Hitchcock 1957 [=Sida californica Nutt. in T. & G. 1838, Sidalcea californica Gray 1849, Sidalcea malvaeflora var. californica Jepson 1925] H57

Sidalcea malvaeflora (DC.) Gray ex Benth. 1848 ssp. malvaeflora [incl. Sida delphinifolia Nutt. in T. & G. 1838, Sidalcea delphinifolia Greene 1891, Sidalcea humilis Gray 1849, Sidalcea delphinifolia var. humilis Greene 1891, Sidalcea scabra Greene 1897, Sidalcea rostrata Eastwood 1902] H57

Sidalcea neomexicana ssp. thurberi (Rob.) Hitchcock 1957 [=S. parviflora var. thurberi Rob. ex Gray 1897; incl. S. confinis Greene 1914, S. nitrophila Parish 1899, S. parviflora Greene 1893, S. neomexicana var. parviflora Roush 1931] H57

Sidalcea oregana ssp. spicata (Regel) Hitchcock 1957 [=Callirhoe spicata Regel 1852, S. oregana var. spicata Jepson 1936, S. spicata Greeene 1885; incl. S. spicata var. tonsa Peck 1941] H57

Sidalcea oregana ssp. valida (Greene) Hitchcock 1957 [=S. valida Greene 1897, S. spicata var. valida Wiggins in Abrams 1951] H57

Sidalcea ranunculacea Greene 1904 [=S. reptans var. ranunculacea Jepson 1936, S. spicata var. ranunculacea Roush 1931; incl. S. interrupta Greene 1904] H57

*Type species of generic name indicated

REFERENCES

[H93] Hickman, J. C. (ed.) 1993. The Jepson Manual: Higher Plants of California. University of California Press: Berkeley (California).

[H57] Hitchcock, C. L. 1957. A study of the perennial species of Sidalcea. Part I. Taxonomy. University of Washington Publications in Biology 18: 3–79.