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Blepharipappus scaber


Higher Taxonomy
Family: Asteraceae (Compositae)View DescriptionDichotomous Key
Common Name: SUNFLOWER FAMILY
Habit: Annual to tree. Leaf: basal and/or cauline, alternate, opposite, rarely whorled, simple to 2+ × compound. Inflorescence: 1° inflorescence a head, resembling a flower, of several types (see below), 1--many in generally +- cyme-like cluster; each head generally with +- calyx-like involucre of 1--many series of phyllaries (involucre bracts); receptacle of head flat to conic or columnar, paleate (bearing paleae = receptacle bracts) or epaleate; flowers 1--many per head. Flower: bisexual, unisexual, or sterile, +- small, of several types (see below); calyx 0 or modified into +- persistent pappus of bristles, scales, and/or awns; corolla radial or bilateral (0), lobes generally (0)3--5; stamens 4--5, filaments generally free, generally fused to corolla at tube/throat junction, anthers generally fused into cylinder around style, anther base generally rounded or cordate (deeply sagittate or with tail-like appendages), tip (= flattened appendage) generally projecting beyond pollen sac; pistil 1, 2-carpeled, ovary inferior, 1-chambered, 1-seeded, placenta basal, style 1, tip generally +- 2-branched (except in some staminate disk flowers), branch tips truncate or generally bearing +- brush-like appendages; stigmas 2, generally on adaxial faces of style branches. Fruit: achene (also called a cypsela) (drupe in Chrysanthemoides), cylindric to ovoid, sometimes compressed, generally deciduous with pappus attached.
Genera In Family: +- 1500 genera, 23000 species: worldwide, many habitats. Note: Flower and head types differ in form and sexual condition. A disk flower has a generally radial corolla, with a cylindric tube, expanded throat, and generally 5 lobes. Disk flowers are generally bisexual and fertile but occasionally staminate with reduced ovaries. Discoid heads comprise only disk flowers. A radiant head is a variant of a discoid head, with peripheral disk flower corollas expanded, often bilateral. A ray flower corolla is bilateral, generally with a slender tube and flattened petal-like ray (single lip composed of generally 3 lobes). Ray flowers are generally pistillate or sterile (occasionally lacking styles). Radiate heads have peripheral ray flowers and central disk flowers. Disciform heads superficially resemble discoid heads, with pistillate or sterile flowers that lack rays, together with or separate from disk flowers. A ligulate flower is bisexual, with a bilateral, generally ephemeral corolla and 5-lobed ligule. Liguliflorous heads comprise only ligulate flowers. See glossary p. 31 for illustrations of family characteristics. Echinops sphaerocephalus L., Gaillardia aristata Pursh, Gaillardia pulchella Foug., Hymenothrix loomisii S.F. Blake, Tagetes erecta L., Thelesperma megapotamicum (Spreng.) Kuntze are waifs. Melampodium perfoliatum Kunth, historic urban waif. Ageratum conyzoides L., Guizotia abyssinica (L. f.) Cass., Santolina chamaecyparisus L., orth. var. are rare or uncommon escapes from cultivation. Dyssodia papposa, Ismelia carinata (Schousb.) Sch. Bip. [Chrysanthemum carinatum Schousb.], Mantisalca salmantica (L.) Briq. & Cavill. are historical or extirpated waifs in California. Inula helenium L. not documented in California. Taxa of Aster in TJM (1993) treated here in Almutaster, Eucephalus, Eurybia, Ionactis, Oreostemma, Sericocarpus, Symphyotrichum; Chamomilla in Matricaria; Bahia in Hymenothrix; Cnicus in Centaurea; Conyza in Erigeron and Laennecia; Dugaldia in Hymenoxys; Erechtites in Senecio; Hymenoclea in Ambrosia; Lembertia in Monolopia; Osteospermum ecklonis in Dimorphotheca; Picris echioides in Helminthotheca; Prionopsis in Grindelia; Raillardiopsis in Anisocarpus and Carlquistia; Schkuhria multiflora in Picradeniopsis; Trimorpha in Erigeron; Venidium in Arctotis; Whitneya in Arnica. Amauriopsis in TJM2 (2012) treated here in Hymenothrix; Arida in Leucosyris; Bahia in Picradeniopsis.
Unabridged Note: Largest family of vascular plants in California and of eudicots globally.
eFlora Treatment Author: David J. Keil, except as noted
Scientific Editor: David J. Keil, Bruce G. Baldwin.
Genus: BlepharipappusView Description 


Common Name: EYELASH TARWEED

Species In Genus: 1 sp. Etymology: (Greek: eyelash pappus)
eFlora Treatment Author: Bruce G. Baldwin
Reference: Baldwin & Strother 2006 FNANM 21:259
Unabridged Reference: Carlquist et al. 2003 Tarweeds and silverswords: Evolution of the Madiinae (Asteraceae)
Blepharipappus scaber Hook.
NATIVE
Habit: Annual 5--20(40+) cm, slender-branched, scabrous to variously hairy, distally glandular. Leaf: simple, mostly cauline, proximal opposite, most alternate, sessile, 6--25+ mm, 0.5--1.5 mm wide, narrowly spoon-shaped to linear, entire, generally ascending, margins generally rolled under. Inflorescence: heads 1 or in open, +- flat-topped cluster, radiate; involucre 3--6+ mm diam, obconic to hemispheric; phyllaries 2--8, each partly surrounding ray fruit, falling with fruit, 3--8 mm, lanceolate or oblanceolate, +- hairy and/or glandular; receptacle convex, glabrous, paleate throughout; paleae deciduous, outer phyllary-like, tips of inner green, hairy. Ray Flower: 2--8; corolla white, ray 2--11 mm, widely fan-shaped, abaxially purple-veined. Disk Flower: 6--25(60+); corolla 2--3.5 mm, white, tube < or +- = throat, tube/throat glabrous, lobes deltate, minutely bristly; anthers +- dark purple, tips hemispheric or conic; style barely branched, bristly-puberulent proximal to branches.; anther bases sagittate. Fruit: 2--3.5 mm, +- obconic, +- round in ×-section, black, generally +- white-hairy; pappus of generally (0)12--18(26), awl-like, fringed to plumose scales. Chromosomes: 2n=16.
Ecology: Openings in sagebrush scrub, yellow-pine forest, juniper woodland; Elevation: 300--2300 m. Bioregional Distribution: KR, CaRH, n SNH, MP; Distribution Outside California: to Washington, Idaho, Nevada. Flowering Time: Apr--Sep Note: Self-sterile.
Synonyms: Blepharipappus scaber subsp. laevis (A. Gray) D.D. Keck
Jepson eFlora Author: Bruce G. Baldwin
Reference: Baldwin & Strother 2006 FNANM 21:259
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Botanical illustration including Blepharipappus scaber

botanical illustration including Blepharipappus scaber

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Citation for this treatment: Bruce G. Baldwin 2012, Blepharipappus scaber, in Jepson Flora Project (eds.) Jepson eFlora, /eflora/eflora_display.php?tid=1761, accessed on August 04, 2020.

Citation for the whole project: Jepson Flora Project (eds.) 2020, Jepson eFlora, https://ucjeps.berkeley.edu/eflora/, accessed on August 04, 2020.

Blepharipappus scaber
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© 2009 Keir Morse
Blepharipappus scaber
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© 2008 Steve Matson
Blepharipappus scaber
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© 1993 Gary A. Monroe
Blepharipappus scaber
click for enlargement
© 2009 Keir Morse
Blepharipappus scaber
click for enlargement
© 2008 Steve Matson
Blepharipappus scaber
click for enlargement
© 2008 Keir Morse

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Geographic subdivisions for Blepharipappus scaber:
KR, CaRH, n SNH, MP
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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).