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Aldama cordifolia (A.Gray) E.E.Schill. & Panero  

No occurrences found

Family: Asteraceae
heartleaf goldeneye
[Viguiera cordifolia A. Gray]
Aldama cordifolia image
Frank Rose
  • FNA
  • Field Guide
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Edward E. Schilling in Flora of North America (vol. 21)
Perennials, 50-100 cm. Leaves opposite (proximal) or alternate (distal); petioles 1-8 mm; blades ovate to deltate-ovate or lance-olate (distal), 2-10 × 1.3-7 cm, margins serrate or serrulate, faces strigose. Heads borne singly or 2-9 in ± corymbiform arrays. Peduncles 1-15 cm. Involucres 11-15 × 7-15 mm. Phyllary apices gradually narrowed. Paleae 8-11 mm, apices acuminate, shortly cuspidate. Ray florets 6-8; tubes 1.5-2 mm, laminae 9-19 mm. Disc florets 40+; corollas 5.5-6.6 mm (staminal filaments glabrous). Cypselae 5-6.5 mm, ± strigose; pappi of 2 lacerate, aristate scales 5-5.5 mm plus 2-4 lacerate scales 0.5-1.3 mm. 2n = 34. Flowering Jul-Sep. Dry slopes and canyons, mostly pine forests and limestone soils; 1300-2700 m; Ariz., N.Mex., Tex.; Mexico.
FNA 2006, Kearney and Peebles 1969, McDougall 1973
Duration: Perennial Nativity: Native Lifeform: Subshrub General: Herbaceous perennials, to 100 cm tall, stems branching, leafy. Leaves: Leaves opposite proximally or alternate distally, ovate to deltate-ovate or lanceolate, 2-10 cm long and 1-7 cm wide, margins serrate or serrulate, faces strigose. Flowers: Heads radiate, rays yellow, neutral, 6-8, laminae 9-19 mm long, disk flowers numerous, corollas 5.5-6.5 mm, involucres 11-15 mm high, receptacles convex, with persistent paleae clasping the achenes, involucres campanulate to cylindric, phyllaries linear-lanceolate to oblong-lanceolate, with acuminate tips, in 2 or more series, the apices gradually narrowing, heads solitary or in groups of 2-9 in corymbiform arrays. Fruits: Achenes laterally compressed, 4-angled, 5-6.5 mm long, faces strigose. Pappus of 2 awned scales 5-5.5 mm long and 2-4 short, unawned scales to 1 mm long. Ecology: Found on limestone substrates, in pine forests, on dry slopes, plains, and in canyons, from 3,500-9,000 ft (1067-2743 m); flowering June-October. Distribution: Arizona, New Mexico, Texas; Mexico. Notes: Good identifiers for this species are the firm, short-petioled leaves, the rather large disk of the heads 11-15 mm high, and the lanceolate phyllaries. Ethnobotany: Unknown Etymology: Viguiera named after Louis Guillaume Alexandre Viguier (1790-1867) a French botanist, while cordifolia means heart-shaped leaf. Synonyms: None Editor: SBuckley, 2010, LCrumbacher
Aldama cordifolia
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Aldama cordifolia image
Patrick Alexander
Aldama cordifolia image
Patrick Alexander
Aldama cordifolia image
Patrick Alexander
Aldama cordifolia image
Patrick Alexander
Aldama cordifolia image
Teague Embrey
Aldama cordifolia image
Teague Embrey
Aldama cordifolia image
Liz Makings
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