Jones' Spiderflower
Peritoma jonesii
(Cleome jonesii)
Found in partial shade along West Clear Creek, Yavapai Co., Arizona, USA. September 2013.
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HERB: Annual plant usually growing with onset of summer rains. May reach 1½ m tall with several flexible stems.
FLOWERS: Groups of flowers are bright yellow and very conspicuous on account of the long, showy stamens.
LEAVES: Leaves are compound with three to seven leaflets with toothed margins.
RANGE: Distributed in partially shady woodlands where there is deep soil and a good supply of subsurface water. Very similar to Yellow Spider Flower, Peritoma lutea; one or both of these species are found in many of Arizona's shady sycamore canyons.
FRUIT: Turgid, elongate capsules with numerous seeds.
UNARMED. Without thorns.
Cleomaceae -- Spiderflower Family
More Information:
- Southwest Environmental Information Network
- Southwest Colorado Wildflowers
- USDA Plant Profile
- Google Images
- Google Scholar Literature Search