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Arctomecon merriamii Coville Status: WHITE BEAR POPPY Global/State ranks G3, S3 Papaveraceae NNHP: At-risk list NNPS: Watch list State: unlisted BLM: Sensitive USFWS: unlisted Habitat: Basic soils ranging from dry to moist; alkaline sand and clay, gypsum, outcrops of carbonate rock, calcareous alluvial gravels. 610 - 1,585 meters (2000 - 5,200 feet) © Amber Swanson Counties: California Native Plant Clark, Lincoln, Society Nye. Also in CA. Life Form: Dicot perennial herb Bloom period: April - May © James M. Andre Nevada Natural Heritage Program Rare Plant Fact Sheet Jepson eFlora Taxon page NNHP Taxon Report CalPhotos Database Results SEINet Taxon Information Consortium of California Herbaria Records UNR Herbarium Records © Sarah Kulpa © Duncan S. Bell Last revised 02/18/2014 Arctomecon merriamii Coville © Duncan S. Bell © Duncan S. Bell © Duncan S. Bell Jepson eFlora Treatment and Key: Gary L. Hannan & Curtis Clark 2012. Arctomecon, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi- bin/get_IJM.pl?tid=13901, accessed on Jan 22 2014. Reprinted with permission from the Jepson Herbarium, UC Berkeley. Note that these treatments and keys describe California taxa and may not be a perfect match for Nevada material. Artomecon Perennial herb; hairs generally ± 5–15 mm; taproot stout; sap colorless or yellow. Leaf: generally basal, obovate or wedge- shaped, long white-hairy; teeth rounded. Inflorescence: terminal, 1-flowered. Flower: bud nodding; sepals 2–3, long-hairy; petals 4 or 6, free, obovate, white [yellow], generally persistent after flower; © U.S. Fish & Wildlife Service stamens many, free; placentas 3–6, style 1, stigma lobes 3–6. Fruit: ovate to oblong, dehiscent from tip. Seed: few, oblong, wrinkled, black; aril present; fleshy appendage present. 3 species: southwestern United States. (Greek: bear poppy, from long hairs) A. merriamii Plant 2–5 dm. Stem: glaucous. Leaf: 2.5–12 cm. Flower: sepals 3, 15–20 mm; petals 6, 25–40 mm. Fruit: 25–40 mm. Seed: 1.5–2 © U.S. Fish & Wildlife Service mm. Rocky slopes; 800–1600 m. ne Mojave Desert; southern Nevada. Unabridged note: Arctomecon californica Torr. & Frém. (sepals 3, glabrous; petals 6, yellow) in southwestern Nevada, northern Arizona, but undocumented for California. Last revised 02/18/2014 Arctomecon merriamii Coville Key to Papaveraceae (no key for ARCOMECON genus, contains a single species in CA) 1. Flower bilateral or biradial; petals 4, 1 or both outer spurred or pouched at base (Fumarioideae) 2. Flower biradial; outer 2 petals alike, both pouched at base 3. Plant without leafy stems ..... DICENTRA 3' Plant with leafy stems ..... EHRENDORFERIA 2' Flower bilateral; outer 2 petals not alike, upper spurred at base 4. Fruit a capsule, generally linear to oblong, several- to many-seeded ..... CORYDALIS 4' Fruit ± a nut, ± round, 1-seeded ..... FUMARIA 1' Flower radial; petals >= 4, not spurred or pouched at base (Papaveroideae) 5. Subshrub to small tree 6. Petals 4(6), yellow, 2–3 cm; leaf entire or minutely toothed ..... DENDROMECON 6' Petals 6, white, 4–10 cm; leafdeeply lobed ..... ROMNEYA 5' Annual, biennial, perennial herb, occasionally woody at base 7. Leaves entire to minutely toothed; petals generally 6 8. Plant generally glabrous; stamens 4–15 9. Basal leaves sessile, linear, fleshy; petals persistent; capsule ovoid, 1.5–2.5 mm ..... CANBYA 9' Basal leaves petioled, spoon-shaped, not fleshy; petals deciduous; capsule linear, to 50 mm ..... MECONELLA 8' Plant long-hairy; stamens > 12 10. Stigmas 3; fruit ovoid, opening by 3 valves, not breaking transversely into units ..... HESPEROMECON 10' Stigmas >= 6; fruit ovoid to widely linear, breaking transversely into 1-seeded, indehiscent units ..... PLATYSTEMON 7' Leaves toothed to dissected; petals 4, 6, or more 11. Plant spiny; leaves generally cauline ..... ARGEMONE 11' Plant unarmed; leaves basal, cauline, or both 12. Hairs generally ± 5–15 mm, wavy; leaves generally basal — ne Mojave Desert ..... ARCTOMECON 12' Hairs 0 or to 3 mm, straight; leaves basal, cauline, or both 13. Ovary, fruit < 3 × longer than wide; carpels > 2; fruit opening by pores ..... PAPAVER 13' Ovary generally > 3 × (fruit > 4 ×) longer than wide; carpels 2; fruit splitting into 2 valves 14. Leaf dissected into ± linear segments; sepals 2, fused into conical cap; receptacle cup-shaped around ovary base; stigma lobes 4–8, linear ..... ESCHSCHOLZIA 14' Leaf deeply pinnate-lobed; sepals 2, free; receptacle not cup-shaped, not around ovary base; stigma lobes 2, not linear ..... [GLAUCIUM] Last revised 02/18/2014 Astragalus phoenix Barneby Status: ASH MEADOWS MILKVETCH Global/State ranks G2, S2 Fabaceae NNHP: At-risk list NNPS: Threatened State: Critically endangered BLM: Sensitive USFWS: Threatened Habitat: Seasonally moist to dry flats, knolls and washes with alkaline calcareous soils. 671 - 716 meters (2,201 - 2,349 feet) Counties: Nye Life Form: Dicot perennial herb Bloom period: February - May © James. M. Andre © James. M. Andre Nevada Natural Heritage Program Rare Plant Fact Sheet CalPhotos Database Results NNHP Taxon Report SEINet Taxon Information UNR Herbarium Records © U.S. Fish & WIldlife Service © U.S. Fish & WIldlife Service Last revised 02/18/2014 Astragalus phoenix Barneby © Sarah Kulpa Plant associates: Atriplex confertifolia, Distichlis spicata, Enceliopsis nudicaulis corrugata, Haplopappus acradenius, Mentzelia leucophylla Jepson eFlora Treatment (Astragalus genus only; A. phoenix not listed): Martin F. Wojciechowski & Richard Spellenberg 2012. Astragalus, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=54612, accessed on Jan 24 2014. Reprinted with permission from the Jepson Herbarium, UC Berkeley. Note that these treatments and keys describe California taxa and may not be a perfect match for Nevada material. Astragalus Annual, perennial herb from crown, generally unarmed; hairs generally present, simple or branches 2, from base, parallel to leaf surface, unequal or not. Stem: 0 or prostrate to erect. Leaf: odd-1- pinnate (or palmately compound); leaflets generally jointed to midrib, entire; stipules membranous, lower fused around stem into sheaths (stipule sheaths) or not. Inflorescence: raceme, head- or umbel-like or not, axillary; flowers 2–many. Flower: bilateral; keel petals with small protrusion at base locking into pit on adjacent wing; 9 filaments fused, 1 free; ovary (and fruit) generally sessile, style slender, stigma minute. Fruit: generally 1- or ± 2-chambered, often mottled, generally ± dry in age, sometimes deciduous (falling from plant with or without pedicel, calyx, receptacle) before dehiscence. Seed: 2–many, smooth, compressed, ± notched at attachment scar. Last revised 02/18/2014 Chloropyron tecopense (Munz & J.C. Roos) Status: Tank & J.M. Egger Global/State ranks G2, S2 NNHP: At-risk list TECOPA SALTY BIRD'S-BEAK NNPS: Threatened Orobanchaceae State: unlisted Synonyms: Cordylanthus tecopensis BLM: Sensitive USFWS: unlisted Habitat: Moist to wet alkaline soils.in open areas near drainages, seeps, meadows. 640 - 1,494 meters (2,100 - 4,902 feet) Counties: Esmeralda, Nye. Also in CA. Life Form: Dicot annual herb Bloom period: June - October © Duncan S. Bell © James. M. Andre Nevada Natural Heritage Program Rare Plant Fact Sheet Jepson eFlora Taxon page NNHP Taxon Report CalPhotos Database Results SEINet Taxon Information Consortium of California Herbaria Records © James. M. Andre © U.S. FIsh & WIldlife Service © Duncan S. Bell Last revised 02/18/2014 Chloropyron tecopense (Munz & J.C. Roos) Tank & J.M. Egger Plant associates: Distichlis spicata, Centaurium namophilum, Cirsium, Ericameria albida, Eleocharis, Ivesia kingii eremica, Juncus balticus, Spiranthes infernalis, Typha Jepson eFlora Treatment and Key: Margriet Wetherwax & David C. Tank 2012. Chloropyron, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=93769, accessed on Jan 19 2014 . Reprinted with permission from the Jepson Herbarium, UC Berkeley. Note that these treatments and keys describe California taxa and may not be a perfect match for Nevada material. Chloropyron Annual 10–60 cm, green, branches few to many; roots ± yellow. Leaf: alternate, sessile, 5–35 mm, entire, lanceolate to oblong. Inflorescence: spike, loose to dense, subtended by outer, leaf-like bracts; inner bract 1 per flower, ± leaf-like, entire or pinnately lobed. Flower: calyx = or slightly < corolla, sheath-like, generally cut completely to base abaxially, partially surrounding corolla tube laterally, notched ± 1 mm at tip; corolla 2-lipped, club-shaped, tubular below, expanded laterally, upper lip folded lengthwise, tip rounded, closed, opening directed downward forming a hood enclosing anthers and style; lower lip <= upper lip, obscurely 3-lobed; fertile stamens 4 and staminodes 0, or 2 with adaxial pair of staminodes (attached deeper in corolla tube), anther sacs generally 2 per stamen, ± overlapping, tufted- hairy at base, unequal in size and placement; ovary 2-chambered, glabrous, ovules many, style bent near tip, stigma barely exserted. Seed: attached at side; seed coat tight-fitting, netted. n=14,15,21. 4 species: saline and alkaline habitats, western North America. (Greek: salt plant) [Tank et al. 2009 Syst Bot 34:182–197] Formerly included in Cordylanthus. Close to Dicranostegia, together forming the Pseudocordylanthus clade (see Tank et al. 2009); distinguished by salt- tolerant ecology, inflorescence, calyx, stamens; flowers May–Nov. Chloropyron tecopense
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