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Key to EriastrumView taxon page for Eriastrum
(For a list of species in Eriastrum, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 3. Corolla 20–25 mm, lobes  1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. 1/3–1/2 corolla; leaves glabrous to subglabrous; coastal dunes, San Luis Obispo, Santa Barbara cos. ..... subsp. densifolium 3' Corolla 25–37 mm, lobes ± 1/3 corolla; leaves woolly; Santa Ana River drainage, sw San Bernardino Co. ..... subsp. sanctorum 4. Leaves strongly recurved  Gradually curved downward or backward. , blade  Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped. wider at base than tip, lobes spine-tipped – SNE, DMoj ..... subsp. mohavense 4' Leaves not recurved, blade generally equally wide at base, tip, generally not spine-tipped 5' Bracts generally (0)3–5(7)-lobed; inflorescences generally terminal and axillary  Pertaining to or within an axil, especially a leaf axil. , 1–10(15)-flowered; leaves ± canescent to woolly ..... subsp. elongatum 1' Annual (occasionally short-lived perennial  Completing life cycle (germination through death) in more than two years or growing seasons, generally non-woody (at least above ground) to woody; includes perennial herbs as well as subshrubs to trees; the abbreviation 'per' only refers to perennial herb, not to the word 'perennial' alone. herb) 6. Stamens attached at or just below corolla sinus  Usually pertaining to margins of leaves, sepals, petals, or other parts, an indentation between adjacent lobes or teeth , corolla 11–24 mm ..... E. pluriflorum 7. Plant ± open; leaves thread-like; corolla generally salverform  Having a slender tube and an abruptly spreading, flat limb; often applied to a fused corolla. , tube + throat generally > 2 × lobes; chaparral, grassland, savanna, woodland, pine forest ..... subsp. pluriflorum 7' Plant generally dense, occasionally cespitose  Having a densely clumped, tufted, matted, or cushion-like growth form. ; leaves linear  Elongate, with nearly parallel sides; narrower than elliptic or oblong. ; corolla narrowly funnel-shaped  Widening from the base more or less gradually through the throat into an ascending, spreading, or recurved limb; often applied to a fused calyx or corolla. , tube + throat generally <= 2 × lobes; open sandy flats, deserts ..... subsp. sherman-hoytiae 6' Stamens attached well below corolla sinus, if higher, corolla < 15 mm 8. Stamens exserted  Protruding out of surrounding structure(s) (e.g., stamens exserted from corolla). > 1/2 length of corolla lobes 9' Corolla lobes white, lavender, or variously blue 10' Corolla ± radial  Divisible into mirror-image halves in three or more ways. (or bilateral from unequal sinuses in Eriastrum sapphirinum), stamens generally equal 11' Stamens equaling to exceeding tips of corolla lobes (almost equaling to exceeding in Eriastrum sapphirinum subsp. dasyanthum); corolla lobes >= 4 mm 12. Corolla tube > 3 × throat, tube + throat generally >= 1.5 × lobes; plants ± not glandular; CCo, n SCoR (Monterey, San Benito cos.) ..... E. virgatum 12' Corolla tube < 3 × throat, tube + throat generally <= 1.5 × lobes; plants often glandular; s SNF, SW (except ChI), w D ..... E. sapphirinum 13. Flowers 3+ per cluster; corolla lobes dark to royal blue, pale blue, or white; calyx, bracts occasionally ± glandular, woolly ..... subsp. dasyanthum 13' Flowers 1–3 per cluster; corolla lobes bright blue to lavender; calyx, bracts glandular, ± woolly to subglabrous ..... subsp. sapphirinum 8' Stamens included  Not protruding out of surrounding structure(s) (e.g., stamens included in corolla). or exserted < 1/2 length of corolla lobes 15. Upper leaves, bracts generally pinnate-3–7-lobed; inflorescence many-flowered, densely bracted, densely woolly ..... E. abramsii 15' Upper leaves, bracts entire  Having margins that are continuous and smooth (i.e., without teeth, lobes, etc.). , pinnate-1–4-lobed, or palmate-5-lobed; inflorescence few-flowered, few-bracted, ± woolly 16. Corolla 5–7 mm; seeds (1)2–4 per chamber 16' Corolla >= 7 mm, white, pink, lavender, or light blue; seeds 1(2) per chamber 18. Stamens 1.5–2 mm, filaments ± 2 × anther; corolla lobes narrowly elliptic  In the shape of a flattened circle or ellipse; wider than linear , ± 3 × longer than wide ..... E. brandegeeae 18' Stamens 0.5–1.5 mm, filaments ± = anther; corolla lobes widely elliptic, ± 2 × longer than wide ..... E. tracyi 19. Stamens unequal; corolla lobes generally > 1.25 mm wide 20. Corolla generally 6–9 mm; stem wiry; plants erect  Upright; vertically oriented. or spreading  Oriented more or less perpendicularly to the axis of attachment; often, more or less horizontal. , generally subglabrous; leaves generally 1–3-lobed near base; SNE, D ..... E. diffusum 20' Corolla 9–14 mm; stem generally not wiry; plants erect, woolly-hairy to occasionally subglabrous; leaves entire or 1–7-lobed near base; SNH, GB, n DMtns ..... E. wilcoxii 19' Stamens equal; corolla lobes generally <= 1.25 mm wide 21' Plant ± glabrous to woolly-hairy or woolly, generally ± not glandular 22' Corolla lobes pale blue to pink 23' Corolla >= 7 mm, corolla lobe 1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. base generally with maroon spot, occasionally faint ..... E. signatum
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Divisible into mirror-image halves in only one way.