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Vascular Plants of California
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Eucrypta micrantha

Higher Taxonomy
Family: BoraginaceaeView DescriptionDichotomous Key
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: EucryptaView DescriptionDichotomous Key

Habit: Annual, glandular, sticky, odorous. Stem: erect, much-branched. Leaf: 1--3-pinnate-lobed; lower cauline opposite, petioled, upper alternate, upward smaller, sessile, clasping; petioles generally narrow-winged, ciliate. Inflorescence: terminal or axillary; pedicels thread-like, elongate in fruit. Flower: calyx < 1/2-fused, bell-shaped, glandular, lobes oblong to ovate to spoon-shaped, ciliate; corolla bell-shaped, generally >= calyx, with or without V-shaped transverse fold between each pair of filaments below throat; stamens included, equal, equally attached; ovary chamber 1 (or appearing +- 5 from complex, enlarged placenta), ovules on both sides of placenta, style 1, stigmas 2. Fruit: capsule, ovoid to spheric, bristly. Seed: 5--15.
Species In Genus: 2 species: southwestern United States. Etymology: (Greek: well hidden, from seeds)
eFlora Treatment Author: Robert Patterson & Richard R. Halse
Unabridged Reference: Constance 1938 Lloydia 1:143--152
Eucrypta micrantha (Torr.) A. Heller
Stem: weak, < 3 dm, generally stalked-glandular. Leaf: lower 1--5 cm, < 2 cm wide, petiole short, widened to clasping base, blade oblong or ovate, deep-1-pinnate-lobed, lobes 7--9, oblong or oblanceolate, straight or sickle-shaped, entire or few-toothed, upper leaves greatly reduced, lobed, toothed or entire. Inflorescence: flowers 4--12 per branch; pedicels generally erect in fruit. Flower: calyx 2--5 mm, lobes erect, enclosing fruit, generally black-glandular; corolla 2--4 mm, white or blue-purple, tube yellow, V-shaped fold present; style 1--2 mm. Fruit: 2--3 mm wide. Seed: 7--15, oblong, in age incurved, worm-like, black or dark-brown, wrinkled. Chromosomes: n=6,12.
Ecology: Canyons, hillsides, rocky crevices, washes, slopes; Elevation: 60--2500 m. Bioregional Distribution: SnJt, SNE, D; Distribution Outside California: to Utah, Texas, Mexico. Flowering Time: Mar--Jun
Synonyms: Phacelia micrantha Torr; Macrocalyx micranthus (Torr.) Coville; Nyctelea micrantha (Torr.) Wooton & Standley; Ellisia micrantha (Torr.) Brand; Phacelia pinetorum M.E. Jones; Eucrypta pinetorum (M.E. Jones) Rydb.; Nyctelea pinetorum (M.E. Jones) Tidestr.;
Jepson eFlora Author: Robert Patterson & Richard R. Halse
Unabridged Reference: Constance 1938 Lloydia 1:143--152
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Botanical illustration including Eucrypta micrantha

botanical illustration including Eucrypta micrantha


Citation for this treatment: Robert Patterson & Richard R. Halse 2012, Eucrypta micrantha, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on December 11, 2018.

Citation for the whole project: Jepson Flora Project (eds.) 2018, Jepson eFlora,, accessed on December 11, 2018.

Eucrypta micrantha
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© 2008 Neal Kramer
Eucrypta micrantha
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© 2014 Aaron Schusteff
Eucrypta micrantha
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© 2011 Aaron Schusteff
Eucrypta micrantha
click for enlargement
© 2014 Aaron Schusteff
Eucrypta micrantha
click for enlargement
© 2014 Aaron Schusteff
Eucrypta micrantha
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© 2005 James M. Andre

More photos of Eucrypta micrantha in CalPhotos

Geographic subdivisions for Eucrypta micrantha:
SnJt, SNE, D;
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.
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, if there are more than 1 infraspecific taxon in CA.
Blue line denotes eFlora flowering time.