Sidalacea nelsoniana

From Puget Prairie Plants
Revision as of 21:13, 13 May 2012 by Matire02 (Talk | contribs) (Bloom Period)


  • Kingdom - Plantae– Plants
  • Subkingdom - Tracheobionta– Vascular plants
  • Superdivision - Spermatophyta– Seed plants
  • Division - Magnoliophyta– Flowering plants
  • Class - Magnoliopsida– Dicotyledons
  • Subclass - Dilleniidae
  • Order - Malvales
  • Family - Malvaceae– Mallow family
  • Genus - Sidalcea A. Gray– checkerbloom
  • Species - Sidalcea nelsoniana Piper– Nelson's checkerbloom


Perennial herb with a stout taproot and short woodstock, stems 16 to 40 inches tall, glabrous to hirsute with short appressed simple hairs; racemes spikelike but elongate and open, many-flowered, the pedicels usually about 1/8 inch long; calyx 1/8 to 1/4 inch long, usually purplish-tinged, subglabrous to fairly thickly pubescent with tiny stellae; petals 1/4 to 5/8 inch long, pinkish-lavender.

Bloom Period

Flowering can occur as early as mid-May and extend into September, depending on weather and site conditions. Fruits have been observed as early as mid-June and as late as mid-October.





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