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Vascular Plants of California
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Eriastrum harwoodii

HARWOOD'S WOOLLY-STAR


Higher Taxonomy
Family: PolemoniaceaeView DescriptionDichotomous Key
Common Name: PHLOX FAMILY
Habit: Annual, perennial herb, shrub, vine. Leaf: simple or compound, cauline (or most basal), alternate or opposite; stipules 0. Inflorescence: cymes, heads, clusters, or flower 1; bracts in involucres or not. Flower: sepals generally 5, fused at base, translucent membrane generally connecting lobes, torn by fruit; corolla generally 5-lobed, radial or bilateral, salverform to bell-shaped, throat often well defined; stamens generally 5, epipetalous, attached at >= 1 level, filaments of >= 1 length, pollen white, yellow, blue, or red; ovary superior, chambers generally 3, style 1, stigmas generally 3. Fruit: capsule. Seed: 1--many, when wetted swelling or not, gelatinous or not.
Genera In Family: 26 genera, 314 species: America, northern Europe, northern Asia; some cultivated (Cantua, Cobaea (cup-and-saucer vine), Collomia, Gilia, Ipomopsis, Linanthus, Phlox). Note: Leptodactylon moved to Linanthus.
eFlora Treatment Author: Robert W. Patterson, family description, key to genera, except as noted
Scientific Editor: Robert W. Patterson, Thomas J. Rosatti.
Genus: EriastrumView DescriptionDichotomous Key


Common Name: WOOLLY-STAR
Habit: Annual, perennial, or subshrub; often woolly, glandular or not. Stem: generally erect, branching from base or above, sometimes unbranched. Leaf: cauline, alternate, entire to pinnately lobed; lobes generally linear or lanceolate. Inflorescence: terminal, head-like or flower occasionally 1, bracted, lightly to densely woolly; bracts leaf-like; flowers sessile or subsessile. Flower: calyx lobes equal to unequal, lightly to densely woolly, sometimes glandular-puberulent; corolla funnel-shaped to salverform, radial or bilateral, white or blue to purple or yellow; stamens fused to corolla at base, equal or unequal, anthers sagittate, pollen white to blue; ovary 3-chambered, style included or exserted, stigma 3-lobed. Fruit: capsule loculicidal. Seed: 1--11 per chamber.
Etymology: (Greek: woolly star)
eFlora Treatment Author: Sarah J. De Groot
Reference: De Groot 2016 Aliso 34(2):25--152.
Eriastrum harwoodii (T.T. Craig) D. Gowen
NATIVE
Habit: Annual, erect. Stem: <= 20 cm, woolly, subglabrous in age. Leaf: 5--35 mm, thread-like to linear, yellow-green to gray-green, densely woolly, entire or 3(5)-lobed near base. Inflorescence: heads mostly terminal, occasionally some axillary, densely woolly, +- 2--10-flowered. Flower: calyx 5--8(9.25) mm densely woolly, lobes unequal; corolla 6--8 mm, narrowly funnel-shaped, tube +- 4.0--4.5 mm, white, throat 0.75--1 mm, yellow to white, symmetric to slightly asymmetric, tube + throat +- 4.8--5.5 mm, lobes 2--2.75 mm, pale yellow or cream to white, tips abruptly pointed; stamens exserted +- 0.5--1.25 mm beyond corolla sinuses, attached about 0.25--0.75 mm below sinus, free portion 1.0--1.5 mm, subequal to equal, anthers 0.7--0.9 mm; pistil 5.0--6.5 mm, generally exceeding anthers +- 1 mm at flowering. Fruit: capsule +- 3.6--4.7 mm, tan, seeds generally 2--3 per chamber. Seed: 1.7--2.4 mm, light gray-brown, sometimes angular, sometimes with unfilled tip.
Ecology: Semi-stabilized dunes, sand ramps, sandy hummocks at edges of dry lake beds, desert scrub; Elevation: 130--1600 m. Bioregional Distribution: D. Flowering Time: Mar--May
Synonyms: Eriastrum sparsiflorum (Eastw.) H. Mason subsp. harwoodii (T.T. Craig) H. K. Harrison
Jepson eFlora Author: Sarah J. De Groot
Reference: De Groot 2016 Aliso 34(2):25--152.
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)
Listed on CNPS Rare Plant Inventory

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Citation for this treatment: Sarah J. De Groot 2023, Eriastrum harwoodii, in Jepson Flora Project (eds.) Jepson eFlora, Revision 12, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=86188, accessed on July 14, 2024.

Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on July 14, 2024.

Eriastrum harwoodii
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©2006 James M. Andre
Eriastrum harwoodii
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©2012 Neal Kramer
Eriastrum harwoodii
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©2011 Neal Kramer
Eriastrum harwoodii
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©2011 Neal Kramer
Eriastrum harwoodii
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©2012 Keir Morse

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Geographic subdivisions for Eriastrum harwoodii:
D.
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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 occurrence).






 

Data provided by the participants of the  Consortium of California Herbaria.

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CCH collections by month Flowering-Fruiting Monthly Counts

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).