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.
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 sparsiflorum (Eastw.) H. Mason
NATIVE Habit: Annual, 10--31(35) cm. Stem: slender, minutely glandular-hairy, lightly woolly to subglabrous. Leaf: 5--30 mm, lightly woolly to subglabrous, generally entire (rarely 3-lobed) near base, lobes linear to thread-like. Inflorescence: heads terminal, 2--3-flowered, or flowers sometimes 1 in upper axils, heads woolly, peduncles glandular-hairy; bracts woolly, keeled at base, exceeding flowers. Flower: calyx 5--6 mm, densely woolly, lobes unequal; corolla 6.5--8.5(10) mm, salverform or narrowly funnel-shaped, tube 3.6--6 mm, white, throat funnel-shaped, +- 0.4--1.1 mm, white, often with some purple dots, tube + throat 4.1--6.1 mm, lobes 2.4--3.3 mm, +- 1/3 corolla length, very pale blue or lavender to white or cream; stamens exserted 0.5--1.1 mm past corolla sinuses, generally attached +- 0.6--1.3 mm below sinus, equally inserted, free portion 1.5--2.25 mm, equal, anthers 1 mm; pistil (4.6)5--6.4 mm, +- equal to stamens, stigma lobes 0.3--0.6 mm. Fruit: capsule oblong, 4.5--6(10) mm, seeds (1)2(3) per chamber. Seed: +- 2--2.5 mm, tan to gray-brown, angular, oblique at base, 3-sided, somewhat flattened front-to-back, generally with rounded angles, developing slime when wet. Ecology: Open sunny areas on flats, hillsides, small washes, floodplains, disturbed areas, in scrub, chaparral, woodland; Elevation: 940--2020 m. Bioregional Distribution: s SNF, n SNH, s SNH, WTR, s MP, SNE, DMoj (Coso Range); Distribution Outside California: Nevada. Flowering Time: May--Jul 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 Previous taxon: Eriastrum signatum Next taxon: Eriastrum tracyi
Citation for this treatment: Sarah J. De Groot 2023, Eriastrum sparsiflorum, in Jepson Flora Project (eds.) Jepson eFlora, Revision 12, https://ucjeps.berkeley.edu/eflora/eflora_display.php?tid=24597, accessed on December 03, 2024.
Citation for the whole project: Jepson Flora Project (eds.) 2024, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on December 03, 2024.
Geographic subdivisions for Eriastrum sparsiflorum:
s SNF, n SNH, s SNH, WTR, s MP, SNE, DMoj (Coso Range)
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(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).
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Duplicates counted once; synonyms included.
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Blue line denotes eFlora flowering time (fruiting time in some monocot genera).