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Hesperochiron californicus

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 californicus (Benth.) S. Watson
NATIVE
Habit: Rhizomes 0. Leaf: generally > 6, < 8 cm, < 3 cm wide, oblanceolate to elliptic or ovate. Inflorescence: flowers generally > 5 per plant. Flower: corolla 10--30 mm, limb 10--20 mm wide, lobes 3--10 mm, oblong. Chromosomes: n=8.
Ecology: Wet meadows, flats, valleys; Elevation: 770--2620 m. Bioregional Distribution: KR, CaRH, SNH, Teh, WTR, SnBr, GB, s DMoj (Rabbit Springs, San Bernardino Co.); Distribution Outside California: to Washington, Montana, Wyoming, Utah, Baja California. Flowering Time: Apr--Jul
Synonyms: Ourisia californica Benth.; Hesperochiron californicus var. benthamianus Brand; Hesperochiron californicus var. strigosus Brand; Capnorea strigosa Greene; Hesperochiron californicus var. latifolius (Kellogg) Brand; Hesperochiron latifolius Kellogg; Hesperochiron californicus var. watsonianus (Greene) Brand; Capnorea watsoniana Greene; Hesperochiron californicus subvar. lasianthus (Greene) Brand; Capnorea lasiantha Greene; Hesperochiron californicus var. incanus (Greene) Brand; Hesperochiron californicus subvar. leporinus (Greene) Brand; Capnorea incanus Greene; Capnorea macilenta Greene; Hesperochiron nanus (Lindl.) Greene; Capnorea nana (Lindl.) Raf.; Nicotiana nana Lindl.
eFlora Treatment Author: Robert Patterson & Richard R. Halse
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botanical illustration including Hesperochiron californicus

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Citation for this treatment: Robert Patterson & Richard R. Halse 2016. Hesperochiron californicus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=28027, accessed on February 08, 2016.

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


Hesperochiron californicus
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© 2003 Steve Matson
Hesperochiron californicus
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© 2012 Neal Kramer
Hesperochiron californicus
click for enlargement
© 2012 Neal Kramer
Hesperochiron californicus
click for enlargement
© 2011 California Academy of Sciences
Hesperochiron californicus
click for enlargement
© 2012 Neal Kramer
Hesperochiron californicus
click for enlargement
© 2003 Steve Matson

More photos of Hesperochiron californicus in CalPhotos


Geographic subdivisions for Hesperochiron californicus:
KR, CaRH, SNH, Teh, WTR, SnBr, GB, s DMoj (Rabbit Springs, San Bernardino Co.);
Markers link to CCH specimen records. If the markers are obscured, reload the page [or change window size and reload]. Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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.