|University of California, Berkeley|
|Jepson eFlora: Taxon page
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|Family: Polemoniaceae||View Description||Dichotomous Key|
|Genus: Polemonium||View Description||Dichotomous Key|
|Species:||View Description||Dichotomous Key|
Polemonium micranthum Benth.
Habit: Annual, soft-hairy. Stem: decumbent to erect, 5--25 cm, glandular-hairy. Leaf: basal and cauline, < 5 cm, 5--11 mm wide, cauline not reduced, soft-glandular-hairy; petioles 5--13 mm, bases not membranous, not sheathing; leaflets 5--15, 2--7 mm, 1--3 mm wide, entire, lanceolate, entire, terminal fused to adjacent pair. Inflorescence: flowers 1--2 in axils; pedicel 3--25 mm. Flower: calyx 3--9 mm, lobes > tube, acute; corolla bell-shaped, limb 3--5 mm diam, throat +- 1 mm, lobes 1--2 mm, light blue to white; stamens +- 1 mm, included; pistil 1.5 mm, style included. Fruit: 3--4 mm, 3 mm wide. Seed: <= 6, dark brown. Chromosomes: 2n=18.
Ecology: Open, seasonally wet areas, generally among shrubs; Elevation: 600--1800 m. Bioregional Distribution: KR, CaRH, n SNH, s SnJV, se SCoRO, n WTR, MP; Distribution Outside California: to British Columbia, Montana; South America. Flowering Time: Apr--Jun
eFlora Treatment Author: Rebecca L. Stubbs, Ruth E. Timme & Dieter H. Wilken
Jepson Online Interchange
Previous taxon: Polemonium eximium
Next taxon: Polemonium occidentale
Citation for this treatment: Rebecca L. Stubbs, Ruth E. Timme & Dieter H. Wilken 2017. Polemonium micranthum, in Jepson Flora Project (eds.) Jepson eFlora, Revision 2, http://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=38982, accessed on March 29, 2017.
Citation for the whole project: Jepson Flora Project (eds.) 2017. Jepson eFlora, http://ucjeps.berkeley.edu/eflora/, accessed on March 29, 2017.