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Vascular Plants of California
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Chlorogalum angustifolium
NARROW-LEAVED SOAP PLANT


Higher Taxonomy
Family: AgavaceaeView DescriptionDichotomous Key
Common Name: CENTURY PLANT FAMILY
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: 24 genera, 637 species: worldwide.
eFlora Treatment Author: Dale W. McNeal, except as noted
Scientific Editor: Dale W. McNeal, Thomas J. Rosatti, Bruce G. Baldwin.
Genus: ChlorogalumView DescriptionDichotomous Key


Common Name: SOAP PLANT, SOAPROOT
Habit: Perennial herb; bulb ovoid to +- elongate, outer coat red-brown, membranous or fibrous. Leaf: basal, linear, often wavy-margined. Inflorescence: panicle, peduncled; flowers, buds 1 per node; bracts scarious. Flower: opening in evening, closed by morning, open 1 night; heterostylous or not; perianth parts 6 in 2 petal-like whorls, 8--30 mm, free, white, twisted together above ovary in fruit; stamens 6, attached to base of perianth, anthers attached at middle; ovary superior, chambers 3, style thread-like, < to > perianth lobes, deciduous, stigma +- 3-lobed. Fruit: loculicidal capsule, 3-chambered. Seed: 1--2 per chamber, ovoid, black.
Species In Genus: 3 species: California, Oregon. Etymology: (Greek: green milk or juice) Note: Day-flowering species previously included in Chlorogalum a separate lineage, now treated as Hooveria.
eFlora Treatment Author: David J. Keil & Judith A. Jernstedt
Reference: Taylor & Keil 2018 Phytoneuron 2018-67: 1--6.
Unabridged Reference: Hoover 1940 Madroño 5:137--147; Jernstedt 2006 FNANM 26:307--310
Chlorogalum angustifolium Kellogg
NATIVE
Habit: Bulb 3--5 cm; coat red-brown, membranous, fibers delicate. Leaf: 2--5 mm wide, margin +- flat. Inflorescence: (15--20)30--70 cm; branches ascending; pedicels 2--3 mm, slender. Flower: heterostylous; perianth parts spreading, 8--12 mm, oblong, white, midvein green-yellow; stamens 8--12 mm, <= perianth, anthers 1.5--3 mm, yellow; style 2--4 mm or 6--8 mm. Fruit: 1.5--3 mm. Chromosomes: n=17,17+.
Ecology: Heavy soils in grassland or woodland; Elevation: < 500 m. Bioregional Distribution: NCoRO, NCoRI, CaRF, SNF (esp n&c), ScV, SCo; Distribution Outside California: southern Oregon. Flowering Time: Apr--Jul
Jepson eFlora Author: David J. Keil & Judith A. Jernstedt
Reference: Taylor & Keil 2018 Phytoneuron 2018-67: 1--6.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Chlorogalum angustifolium

botanical illustration including Chlorogalum angustifolium

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Citation for this treatment: David J. Keil & Judith A. Jernstedt 2020, Chlorogalum angustifolium, in Jepson Flora Project (eds.) Jepson eFlora, Revision 8, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=19289, accessed on May 23, 2022.

Citation for the whole project: Jepson Flora Project (eds.) 2022, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on May 23, 2022.

Chlorogalum angustifolium
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© 2020 Neal Kramer
Chlorogalum angustifolium
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© 2008 Vernon Smith

More photos of Chlorogalum angustifolium in CalPhotos



Geographic subdivisions for Chlorogalum angustifolium:
NCoRO, NCoRI, CaRF, SNF (esp n&c), ScV, SCo
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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).





 

Data provided by the participants of the  Consortium of California Herbaria.
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All markers link to CCH specimen records. The original determination is shown in the popup window.
Blue markers indicate specimens that map to one of the expected Jepson geographic subdivisions (see left map). Purple markers indicate specimens collected from a garden, greenhouse, or other non-wild location.
Yellow markers indicate records that may provide evidence for eFlora range revision or may have georeferencing or identification issues.
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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 (fruiting time in some monocot genera).