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Hastingsia alba

Higher Taxonomy
Family: AgavaceaeView DescriptionDichotomous Key

Habit: Perennial herb, shrub, tree, fibrous succulent or not, from bulbs or rhizomes. Stem: above ground or not, branched or not. Leaf: simple, deciduous or not, basal or in terminal rosettes, generally sessile, linear, lanceolate, oblanceolate or ovate, fibrous or not, thin and flexible or thick and rigid or succulent; margin entire, fine-serrate, dentate, or with filaments, tips rigid or flexible, with a spine or not. Flower: bisexual; perianth parts 6, in 2 petal-like whorls, free or +- fused; stamens 6, +- fused to perianth, filaments often wide, succulent; ovary superior or inferior, chambers 3, style 1 (thick, poorly defined), stigma head-like or 3-lobed. Fruit: capsule, indehiscent, loculicidal, or septicidal. Seed: few to many, +- flat or ovoid, generally black.
Genera In Family: 23 genera, 637 species: worldwide.
eFlora Treatment Author: Dale W. McNeal, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti.
Genus: HastingsiaView DescriptionDichotomous Key

Habit: Perennial herb; bulb ovoid to +- elongate, outer coat black. Stem: 25--90 cm, slender. Leaf: basal, grass-like, keeled, +- glaucous. Inflorescence: +- scapose raceme or panicle, bracted; flowers 20--70+. Flower: perianth parts 6, in 2 petal-like whorls, fused at base; stamens 6, fused to perianth, outer 3 > perianth, opening before inner, all equal after flowers open; ovary superior, chambers 3, style 1, stigma 3-lobed. Fruit: short-stalked, loculicidal. Seed: ovoid, flat, black.
Species In Genus: 4 species: California, Oregon. Etymology: (Hon. Serranus Clinton Hastings, 1814--1893, first Chief Justice of the Supreme Court of California)

Hastingsia alba (Durand) S. Watson
Habit: Bulb 26--56 mm, 17--31 mm wide. Inflorescence: dense; branches generally 2--3. Flower: 6--8 mm; perianth parts elongating as anthers mature, equal, white to +- yellow, outer +- 1 mm wide, linear, blunt, inner +- 2 mm wide, ovate, acute. Fruit: 6--9 mm, oblong. Chromosomes: n=26.
Ecology: Wet meadows, bogs, rocky seeps; Elevation: 500--2300 m. Bioregional Distribution: NW, CaR, n SNH; Distribution Outside California: southwestern Oregon. Flowering Time: Jun--Jul
Synonyms: Schoenolirion album Durand
eFlora Treatment Author: Dale W. McNeal
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botanical illustration including Hastingsia alba


Citation for this treatment: Dale W. McNeal 2016. Hastingsia alba, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on April 29, 2016.

Citation for the whole project: Jepson Flora Project (eds.) 2016. Jepson eFlora,, accessed on April 29, 2016.

Hastingsia alba
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© 2015 Steve Matson
Hastingsia alba
click for enlargement
© 2015 Steve Matson
Hastingsia alba
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© 2006 George W. Hartwell
Hastingsia alba
click for enlargement
© 2014 Steve Matson
Hastingsia alba
click for enlargement
© 2007 George W. Hartwell
Hastingsia alba
click for enlargement
© 2005 Steve Matson

More photos of Hastingsia alba in CalPhotos

Geographic subdivisions for Hastingsia alba:
NW, CaR, n SNH;
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.
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).

View elevation by latitude chart
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.