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Vascular Plants of California
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Chrysothamnus viscidiflorus subsp. lanceolatus

Higher Taxonomy
Family: Asteraceae (Compositae)View DescriptionDichotomous Key
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, Doellingeria, 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; Eucephalus in Doellingeria.
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: ChrysothamnusView DescriptionDichotomous Key

Habit: Subshrub or shrub. Stem: erect to spreading, often highly branched. Leaf: alternate, sessile, entire. Inflorescence: heads discoid, in +- dense cyme-like (raceme-like) clusters, peduncled or +- sessile; involucre generally obconic, cylindric, or hemispheric; phyllaries generally in 3--7 series in +- 5 vertical or spiral ranks, free, overlapping, often keeled, persistent; receptacle convex, pitted, epaleate. Flower: (2)5--6(40+); corolla yellow, lobes 0.5--2.3 mm, generally spreading; anther tips narrowly acute, length 2.5--5.3 × width; style branches long, slender. Fruit: obconic or elliptic to cylindric, 5--10 ridged, generally light brown; pappus of many white to +- brown bristles.
Species In Genus: 9 species: southwestern Canada, western United States. Etymology: (Greek: golden shrub) Note: Other species in TJM (1993) moved to Cuniculotinus, Ericameria.
eFlora Treatment Author: Lowell E. Urbatsch
Reference: Urbatsch et al. 2006 FNANM 20:187--193
Unabridged Reference: Urbatsch et al. 2005 Sida 21:1615--1632
Species: Chrysothamnus viscidiflorusView Description 

Habit: Shrub 1--15 dm; caudex branched. Stem: generally erect to spreading, brittle, glabrous to pubescent, green when young, becoming +- white. Leaf: 1--7.5 cm, 0.5--10 mm wide, thread-like or linear to oblong or (ob)lanceolate, 1--5-veined, flat or twisted, often wavy-margined, (+- gray-)green, +- sticky. Inflorescence: heads in flat-topped or rounded clusters; involucre 5--10 mm, generally cylindric to obconic; phyllaries generally +- lanceolate, in +- 5 vertical ranks, keeled, yellow-green, +- sticky, tips acute to obtuse or rounded. Flower: 3--5(14); corolla 3.5--7.5 mm; style branches exserted, appendage generally < stigma. Fruit: 3--5 mm, obconic, hairy; pappus +- = corolla. Chromosomes: 2n=18,36,54.
Note: Highly variable; 5 subspecies in western North America.
Chrysothamnus viscidiflorus subsp. lanceolatus (Nutt.) H.M. Hall & Clem.
Stem: bristly near inflorescence with +- spreading, conic hairs. Leaf: 1.5--4.5 cm, 2--6 mm wide, +- lanceolate, rough-hairy especially abaxially, 3--5-veined. Flower: generally 5; corolla 5--6 mm. Chromosomes: 2n=18,36.
Ecology: Uncommon. Juniper/sagebrush scrub; Elevation: 1200--2500 m. Bioregional Distribution: c SNH, MP; Distribution Outside California: to British Columbia, Montana, South Dakota, Colorado, New Mexico. Flowering Time: Jul--Oct Note: Intergrades with Chrysothamnus viscidiflorus subsp. viscidiflorus especially in northern GB.
Unabridged Note: Common outside California.
Jepson eFlora Author: Lowell E. Urbatsch
Reference: Urbatsch et al. 2006 FNANM 20:187--193
Index of California Plant Names (ICPN; linked via the Jepson Online Interchange)

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Citation for this treatment: Lowell E. Urbatsch 2012, Chrysothamnus viscidiflorus subsp. lanceolatus, in Jepson Flora Project (eds.) Jepson eFlora,, accessed on August 05, 2021.

Citation for the whole project: Jepson Flora Project (eds.) 2021, Jepson eFlora,, accessed on August 05, 2021.

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Geographic subdivisions for Chrysothamnus viscidiflorus subsp. lanceolatus:
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CCH collections by month

Duplicates counted once; synonyms included.
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Blue line denotes eFlora flowering time (fruiting time in some monocot genera).