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Hesperochiron pumilus

Higher Taxonomy
Family: BoraginaceaeView DescriptionDichotomous Key

Common Name: BORAGE or WATERLEAF FAMILY
Habit: Annual to shrub or small tree, or non-green root parasite, often bristly or sharp-hairy. Stem: prostrate to erect. Leaf: basal and/or cauline, generally simple, generally alternate. Inflorescence: generally cymes, or panicle-, raceme-, head-, or spike-like, generally coiled in flower (often described as scorpioid), generally elongating in fruit, or flowers 1--2 per axil. Flower: bisexual, generally radial; sepals (4)5(10), fused at least at base, or free; corolla (4)5(10)-lobed, salverform, funnel-shaped, rotate, or bell-shaped, generally without scales at tube base, with 0 or 5 appendages at tube top, alternate stamens; stamens epipetalous; ovary generally superior, entire to 4-lobed, style 1(2), entire or 2-lobed or -branched. Fruit: valvate or circumscissile capsule or nutlets 1--4, free (fused), smooth to roughened, prickly or bristly or not.
Genera In Family: +- 120 genera, +- 2300 species: tropics, temperate, especially western North America, Mediterranean; some cultivated (Borago, Heliotropium, Echium, Myosotis, Nemophila, Phacelia, Symphytum, Wigandia). Toxicity: Many genera may be TOXIC from pyrrolizidine alkaloids or accumulated nitrates. Note: Recently treated to include Hydrophyllaceae, Lennoaceae. Wigandia urens added, as naturalized.
eFlora Treatment Author: Ronald B. Kelley, Robert Patterson, Richard R. Halse & Timothy C. Messick, family description, key to genera; treatment of genera by Ronald B. Kelley, except as noted
Scientific Editor: Ronald B. Kelley, Robert Patterson, Thomas J. Rosatti, Bruce G. Baldwin, David J. Keil.
Genus: HesperochironView DescriptionDichotomous Key

Habit: Perennial herb, scapose; root caudex-like. Leaf: in basal rosette, spreading or ascending; blade tapered to petiole, generally entire, generally ciliate. Inflorescence: flowers 1; peduncle erect or spreading, 1--10 cm, slender. Flower: calyx lobes 2--9 mm, generally not alike, glabrous to hairy, ciliate; corolla scales 0, tube generally dense-hairy inside, throat generally yellow, lobes glabrous to hairy, white or +- blue, generally tinged or marked with lavender or purple; stamens included, generally unequal, filament base widened; ovary hairy, chamber 1, style 1, 2--5 mm, stigmas 2. Fruit: capsule, 5--11 mm, ovoid, hairy. Seed: many, ovoid, angular, red-brown, honeycombed or pitted.
Species In Genus: 2 species: western United States, northern Mexico. Etymology: (Greek: evening or western centaur)
eFlora Treatment Author: Robert Patterson & Richard R. Halse

Hesperochiron pumilus (Griseb.) Porter
NATIVE
Habit: Rhizomes generally slender. Leaf: generally 2--10, 1--7 cm, < 2 cm wide, linear-oblong to oblanceolate or oblong. Inflorescence: flowers generally 1--8 per plant. Flower: corolla 5--15 mm, limb 7--30 mm wide, lobes 3--11 mm, rounded. Chromosomes: n=8.
Ecology: Wet meadows, slopes, flats; Elevation: 450--3000 m. Bioregional Distribution: KR, NCoRI, CaRH, SNH, Teh, WTR, GB (exc W&I), n DMoj (Death Valley); Distribution Outside California: to Washington, Montana, Utah, Arizona. Flowering Time: Apr--Jul
Synonyms: Villarsia pumila Griseb.; Hesperochiron pumilus var. ciliatus (Greene) Brand; Capnorea ciliata (Greene) Greene; Hesperochiron ciliatus Greene; Hesperochiron pumilus f. fulcratus (Greene) Brand; Capnorea fulcrata Greene; Hesperochiron pumilus f. hirtellus (Greene) Brand; Capnorea hirtella Greene; Hesperochiron pumilus f. nervosus (Greene) Brand; Capnorea nervosa Greene; Hesperochiron pumilus var. vestitus Brand; Hesperochiron pumilus f. villosulus (Greene) Brand; Capnorea villosula Greene; Hesperochiron campanulatus (Greene) Brand; Capnorea campanulata Greene
eFlora Treatment Author: Robert Patterson & Richard R. Halse
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Citation for this treatment: Robert Patterson & Richard R. Halse 2016. Hesperochiron pumilus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28029, accessed on December 08, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on December 08, 2016.


Hesperochiron pumilus
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© 1998 Larry Blakely
Hesperochiron pumilus
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© 2009 Keir Morse
Hesperochiron pumilus
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© 2016 Keir Morse
Hesperochiron pumilus
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© 2009 Barry Breckling
Hesperochiron pumilus
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© 2008 George W. Hartwell
Hesperochiron pumilus
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© 2010 James M. Andre

More photos of Hesperochiron pumilus in CalPhotos


Geographic subdivisions for Hesperochiron pumilus:
KR, NCoRI, CaRH, SNH, Teh, WTR, GB (exc W&I), n DMoj (Death Valley);
Markers link to CCH specimen records. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues. Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
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map of distribution 1
(Note: any qualifiers in the taxon distribution description, such as 'northern', 'southern', 'adjacent' etc., are not reflected in the map above, and in some cases indication of a taxon in a subdivision is based on a single collection or author-verified occurence).

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Data provided by the participants of the Consortium of California Herbaria.
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CCH collections by month

Duplicates counted once; synonyms included.
Species do not include records of infraspecific taxa.
Blue line denotes eFlora flowering time.