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14 results for “Barnadesioideae”
Data from: Taxonomic revision of Dasyphyllum sect. Macrocephala (Asteraceae: Barnadesioideae)
Dasyphyllum sect. Macrocephala is restricted to the Cerrado, Caatinga, and Atlantic Forest biomes of Brazil, spreading into similar areas in Bolivia and Paraguay. The six recognized species in this section are monoecious shrubs with erect or decumbent branches, single or paired, rarely fasciculate, straight or curved axillary spines, leaves with apiculate or aristate apices, 5–7 basally or suprabasally acrodromous veins, sessile capitula, usually solitary or in groups of two to four, a campanulate or infundibuliform involucre generally longer than 20 mm, and with hermaphroditic florets usually with liguliform corollas and externally sericeous lobes. An identification key, descriptions, comments regarding morphology and taxonomy, maps showing geographical distribution, and illustrations are presented, together with 17 new synonyms and 18 typifications.
FIGURE 2. Dasyphyllum diamantinense. A. Habit. B. Branch with long spines. C in Dasyphyllum diamantinense (Asteraceae, Barnadesioideae): a new species from the Chapada Diamantina, Bahia State, Brazil
FIGURE 2. Dasyphyllum diamantinense. A. Habit. B. Branch with long spines. C. Apex of a fertile branch. D. Fertile branch. E. Lateral view of the capitula. F. Frontal view of the capitula, with tubulose corolla. Photos by C.N. Fraga.
FIGURE 1. Dasyphyllum diamantinense. A. Fertile branch. B. Branch spines. C. Leaf apex. D. Capitula. E. Outermost involucral bract. F. Innermost involucral bract. G. Complete bisexual flower. H in Dasyphyllum diamantinense (Asteraceae, Barnadesioideae): a new species from the Chapada Diamantina, Bahia State, Brazil
FIGURE 1. Dasyphyllum diamantinense. A. Fertile branch. B. Branch spines. C. Leaf apex. D. Capitula. E. Outermost involucral bract. F. Innermost involucral bract. G. Complete bisexual flower. H. Corolla, anthers, and style. I. Cypselae and pappus. J. Internal portion of corolla (Saavedra et al 968, RB). Drawn by Maria Alice Rezende.
FIGURE 8. Fulcaldea and Huarpea. A in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 8. Fulcaldea and Huarpea. A: Fulcaldea. B–E: Huarpea. A: Fulcaldea stuessyi. Inflorescence with a white arrow showing swollen style below the branching point. B: Huarpea andina. Habit. C: Capitulum showing five ray flowers and a disc flower. D: Lateral view from the capitula. E: Dissected capitula showing three ray flowers (white) and a disc flower (yellow). Photos by Ivan Abreu (A) and Darwinion Institute (B–E).
FIGURE 7. Doniophyton and Duseniella. A–B in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 7. Doniophyton and Duseniella. A–B: Doniophyton. C–D: Duseniella. A: Doniophyton anomalum. B: Doniophyton weddellii. C–D: Duseniella patagonica. Photos by Darwinion Institute.
FIGURE 2 in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 2. Synapomorphies of Barnadesioideae. A–C: Diversity of spines. D: Barnadesioid trichomes. A–B: Dasyphyllum vagans. A: Spines in pairs, curved, and convergent. B: Spines in pairs, straight, and convergent. C: Barnadesia parviflora. Spines in fascicles, straight, and divergent. D: SEM photograph of Barnadesioid trichomes.
FIGURE 5. Chuquiraga. A–B in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 5. Chuquiraga. A–B: Chuquiraga aurea. A: "Cushion" Habit. B: Capitulum. C–D: Chuquiraga longiflora. D: Capitulum. D: Tubular corolla. E: Chuquiraga jussieui. Capitulum. F: Chuquiraga weberbaueri. Shrub Habit. Photos by Darwinion Institute (A–D), Paola Ferreira (E), Gari Ccana-Ccapatinta (F).
Data from: Taxonomic revision of Dasyphyllum sect. Macrocephala (Asteraceae: Barnadesioideae)
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FIGURE 3 in Dasyphyllum diamantinense (Asteraceae, Barnadesioideae): a new species from the Chapada Diamantina, Bahia State, Brazil
FIGURE 3. Distribution map of Dasyphyllum diamantinense in northeastern Brazil.
FIGURE 4. Barnadesia. A and E in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 4. Barnadesia. A and E: Barnadesia pycnophylla. A. Habit. E. Divergent and fasciculate spines on stem. B: Barnadesia caryophylla. Capitulum. C: Barnadesia odorata. Capitulum. D: Barnadesia arborea. Capitula. Photos by Gari Ccana-Ccapatinta (A and E), Gustavo Shimizu (B), Claudia Martin (C), Carmen Ulloa (D).
FIGURE 10 in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 10. Geographical distribution for the genera of Barnadesioideae. A: Dasyphyllum. B: Chuquiraga. C: Barnadesia (red dots) and Huarpea (blue triangle). D: Doniophyton (blue triangles); E: Archidasyphyllum (blue triangles); Fulcaldea (blue triangles)—these words (triagle) in plural (triangles).
FIGURE 6. Dasyphyllum. A in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 6. Dasyphyllum. A: Dasyphyllum lanceolatum. Capitulescence. B: Dasyphyllum reticulatum. Capitulum. C: Dasyphyllum sprengelianum. Capitulum. D: Dasyphyllum vagans. Capitulescence. E: Dasyphyllum leiocephalum. Habit. Photos by Carolina Ferreira (A and D), Mauricio Mercadante (B), Paola Ferreira (C), and Gari Ccana-Ccapatinta (E).
FIGURE 9. Schlechtendalia luzulifolia. A in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 9. Schlechtendalia luzulifolia. A: Brazilian Pampas. B: Grassy-like habit. C: Capitulum with subbilabiate corollas. Photos by Gustavo Heiden (A and C) and Mauricio Bonifacino (B).
FIGURE 3. Archidasyphyllum and Arnaldoa. A–B in Touch me carefully: a step towards understanding morphological diversity in the South American spiny sunflowers (Compositae, Barnadesioideae)
FIGURE 3. Archidasyphyllum and Arnaldoa. A–B: Archidasyphyllum diacanthoides. A: Habit. B: Multi-stemmed tree with fasciculate spines. C–D: Arnaldoa weberbaueri. C. Habit. D. Capitulum. Photos by Marcelo Monge (A–B), Gari Ccana-Ccapatinta (C), and Daniel Montesinos (D).
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