Hymenopappus mexicanus A. Gray
Family: Asteraceae
Mexican woollywhite
Hymenopappus mexicanus image
Max Licher  
Perennials, 20-90 cm. Leaves: basal simple or 1-pinnate, 6-20 cm, lobes 5-15+ × 1-9 mm; cauline 0 or 3-6. Heads 1-8(-20+) per stem. Peduncles 1-10 cm. Phyl-laries yellowish to whitish or red-tinged, 6-9 × 2-3 mm. Ray florets 0. Disc florets 20-40; corollas yellow, 3-4.5 mm, tubes 2-2.5 mm, throats campanulate, 1-1.5 mm, lengths 3-4 times lobes. Cypselae 4-6 mm, glabrous or sparsely hirtellous; pappi of 12-20 scales 0.1-0.4 mm. 2n = 34. Flowering Jun-Oct. Openings in pine, spruce, and aspen woodlands; 2100-3000 m; Ariz., N.Mex.; Mexico.
FNA 2006, Kearney and Peebles 1969
Duration: Perennial Nativity: Native Lifeform: Forb/Herb General: Herbaceous perennials, to 90 cm tall, erect and ascending, herbage tomentose, arising from a basal rosette. Leaves: Alternate, oblanceolate and obovate or once pinnatifid with somewhat broad lobes, these 2-6 mm wide, cauline leaves few, reduced, basal leaves in a rosette, entire and pinnatifid. Flowers: Heads discoid, relatively large, disk flowers yellow, 20-40; corollas 3-4.5 mm, tubes 2-2.5 mm, throats campanulate, 1-1.5 mm, lengths 3-4 times lobes, phyllaries yellowish to whitish or red-tinged, 6-9 mm long and 2-3 mm wide, heads 1-8 or more per stem. Fruits: Achenes 4-angled, 4-6 mm, glabrous or sparsely hirtellous. Pappus obsolete, of 12-20 scales, these to 0.5 mm long. Ecology: Found in open areas in coniferous forests, spruce, and aspen woodlands, from 5,000-10,000 ft (1524-3048 m); flowering June-September. Distribution: Arizona, New Mexico, Texas; Mexico. Notes: Good indicators for this species are the minute pappi, basal rosette of entire and pinnatifid leaves, and the somewhat large heads. Ethnobotany: There is no specific use of the species recorded, but the genus was used to make tea. Etymology: Hymenopappus comes from Greek hymen for membrane and pappos for pappus, for the chafflike scales, while mexicanus means of or from Mexico. Synonyms: None Editor: LCrumbacher 2011
Hymenopappus mexicanus image
Max Licher  
Hymenopappus mexicanus image
Max Licher  
Hymenopappus mexicanus image
Max Licher  
Hymenopappus mexicanus image
Max Licher  
Hymenopappus mexicanus image
Max Licher  
Hymenopappus mexicanus image
Max Licher  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
Patrick Alexander  
Hymenopappus mexicanus image
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