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Howellanthus dalesianus
SCOTT MOUNTAIN PHACELIA

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: HowellanthusView Description 


Species In Genus: 1 sp. Etymology: (Howell flower, for J.T. Howell, California botanist, 1903--1994)
eFlora Treatment Author: Genevieve K. Walden, Robert Patterson, Laura M. Garrison & Debra R. Hansen

Howellanthus dalesianus (J.T. Howell) Walden & R. Patt.
NATIVE
Habit: Perennial herb 5--15 cm, from +- thick caudex. Leaf: in basal rosette, blade 10--50 mm, +- = petiole, oblong to elliptic, entire. Inflorescence: peduncles axillary, from base, few, decumbent, densely glandular-hairy; leaf-like bracts 0--3, subtending inflorescence; flowers 1--several; pedicel 10--20 mm in fruit. Flower: calyx lobes 3--5 mm, 4--7 mm in fruit, +- not alike, especially in fruit, lanceolate to oblanceolate; corolla deciduous, 6--9 mm, rotate, white, throat purple-marked, corolla scales free from filaments, hemispheric; stamens 6--8 mm, included to slightly exserted, equal, attached at same level, glabrous, filament not widened at base; style 6--7 mm, +- included, cleft nearly to base, generally glabrous, occasionally sparsely hairy proximally. Fruit: +- 4 mm, +- spheric, hairy. Seed: 2--4, 2.5--4 mm; surface net-veined. Chromosomes: n=8.
Ecology: Ultramafic substrates, meadows, streambanks, conifer forest; Elevation: 1500--2000 m. Bioregional Distribution: KR. Flowering Time: May--Aug
Synonyms: Phacelia dalesiana J.T. Howell
eFlora Treatment Author: Genevieve K. Walden, Robert Patterson, Laura M. Garrison & Debra R. Hansen
Jepson Online Interchange
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Genevieve K. Walden, Robert Patterson, Laura M. Garrison & Debra R. Hansen 2016. Howellanthus dalesianus, Revision 1, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=95351, accessed on May 04, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on May 04, 2016.


Howellanthus dalesianus
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© 1991 Julie Kierstead Nelson
Howellanthus dalesianus
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© 2011 Steve Matson
Howellanthus dalesianus
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© 2014 Dana York
Howellanthus dalesianus
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© 2012 Julie Kierstead Nelson
Howellanthus dalesianus
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© 2014 Dana York
Howellanthus dalesianus
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© 2008 Aaron Schusteff

More photos of Howellanthus dalesianus in CalPhotos


Geographic subdivisions for Howellanthus dalesianus:
KR.
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.