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Vascular Plants of California
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Chorizanthe valida
SONOMA SPINEFLOWER


Chorizanthe valida S. Watson
NATIVE
Habit: Plant sprawling to erect, 1--3 dm, 1--6 dm diam, hairy. Stem: branches from erect stem, spreading to ascending. Leaf: +- all basal; blades 1--2.5(--5) cm, 0.4--0.8(--1.2) cm wide, widely oblanceolate. Inflorescence: axes unbranched or +- equally forked; bracts leaf-like, opposite, distal linear, awns 0; clusters large, dense, rounded; involucre 3--4(--4.5) mm, 3-angled, 6-ribbed, finely transversely ridged, glabrous to thinly hairy, lobes 6, erect, equal, margins white-scarious, awns straight, alternately longer and shorter, 0.5--1.3 mm. Flower: 1; perianth (4--)5--6 mm, hairy on proximal 1/2, 2-colored, tube white, lobes white to lavender or rose, fringed to toothed, outer lobes > inner; stamens 9, fused to perianth tube base. Fruit: 3--4.5 mm.
Ecology: Sand; Elevation: 10--90 m. Bioregional Distribution: n CCo (extirpated exc Point Reyes Peninsula). Flowering Time: Jun--Aug
Jepson eFlora Author: Error CHECK eFlora Treatments
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Botanical illustration including Chorizanthe valida

botanical illustration including Chorizanthe valida

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Citation for this treatment: Error CHECK eFlora Treatments 2012, Chorizanthe valida, in Jepson Flora Project (eds.) Jepson eFlora, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=19362, accessed on May 23, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on May 23, 2022.