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Dataset results
17 results for “Dichanthelium”
Dichanthelium laxiflorum (Poaceae) - inflorescence - whole - unspecified
Image of Dichanthelium laxiflorum (Poaceae) - inflorescence - whole - unspecified
Dichanthelium laxiflorum (Poaceae) - stem - showing leaf bases
Image of Dichanthelium laxiflorum (Poaceae) - stem - showing leaf bases
Dichanthelium laxiflorum (Poaceae) - leaf - on upper stem
Image of Dichanthelium laxiflorum (Poaceae) - leaf - on upper stem
Dichanthelium laxiflorum (Poaceae) - inflorescence - whole - unspecified
Image of Dichanthelium laxiflorum (Poaceae) - inflorescence - whole - unspecified
Dichanthelium laxiflorum (Poaceae) - whole plant - in flower - general view
Image of Dichanthelium laxiflorum (Poaceae) - whole plant - in flower - general view
Dichanthelium laxiflorum (Poaceae) - stem - showing leaf bases
Image of Dichanthelium laxiflorum (Poaceae) - stem - showing leaf bases
FIGURE 3 in Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae), a new species from Jalisco, Mexico, and the reestablishment of Panicum transiens as Dichanthelium transiens
FIGURE 3. Micromorphology of the spikelet and fertile lemma of Dichanthelium multiglandulosum (A. Spikelet second glume view. B. Fertile lemma. C. Fertile lemma apex) and D. transiens (D. Spikelet second glume view. E. Fertile lemma. F. Fertile lemma apex).
FIGURE 5. Dichanthelium transiens. A. Slender cane-like habit showing a multi-flowered synflorescence. B. Collar area. C. Ligule area. D. Few flowered synflorescence. E. Spikelet showing the first glume. F. Spikelet showing the second glume. G in Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae), a new species from Jalisco, Mexico, and the reestablishment of Panicum transiens as Dichanthelium transiens
FIGURE 5. Dichanthelium transiens. A. Slender cane-like habit showing a multi-flowered synflorescence. B. Collar area. C. Ligule area. D. Few flowered synflorescence. E. Spikelet showing the first glume. F. Spikelet showing the second glume. G. Fertile lemma. (Based on Díaz & Carranza 6662 (IEB)).
FIGURE 2 in Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae), a new species from Jalisco, Mexico, and the reestablishment of Panicum transiens as Dichanthelium transiens
FIGURE 2. Photographs showing the glandular spots on internodes (A), and synflorescence (axis, branches and pedicels) (B) and leaf blade cross section (C) of Dichanthelium multiglandulosum.
FIGURE 1. Dichanthelium multiglandulosum. A. Cane-like habit. B in Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae), a new species from Jalisco, Mexico, and the reestablishment of Panicum transiens as Dichanthelium transiens
FIGURE 1. Dichanthelium multiglandulosum. A. Cane-like habit. B. Ligular area (arrow pointing to the ligule) showing the adaxial surface of the leaf. C. Synflorescence branching pattern. D. Spikelet, first and second glume view. E. Fertile floret, fertile lemma and fertile palea view. (Based on the type)
FIGURE 3 in Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil
FIGURE 3. Scanning electron microscopy of the upper anthecium of Dichanthelium arenicola and D. cumbucana. A–C. Dichanthelium cumbucana [Harley et al. 15930 (HUEFS)]. A. Ventral view, apex of the lemma. B. Dorsal view, apex of the lemma. C. Dorsal view, base of the lemma. D–F. D. arenicola [Matos et al. 70 (HUEFS)]. D. Ventral view, apex of the lemma. E. Dorsal view, apex of the lemma. F. Dorsal view, base of the lemma. G–H. Papilae and striae on the upper palea. G. D. cumbucana. H. D. arenicola.
FIGURE 2 in Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil
FIGURE 2. Spikelets and upper anthecia of Dichanthelium arenicola and D. cumbucana. A–C. D. arenicola [Matos et al. 70 (HUEFS)]. A. Spikelet, lateral view. B. Upper anthecium, ventral view. C. Upper anthecium, dorsal view. D–F. D. cumbucana [Harley et al. 15930 (HUEFS)]. D. Spikelet, lateral view. E. Upper anthecium, ventral view. F. Upper anthecium, dorsal view. [Bars: 0.5 mm]
FIGURE 5 in Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil
FIGURE 5. Dichanthelium arenicola [Matos et al. 70 (HUEFS)]. A. Habit. B. Inflorescence. C. Detail of the apex of the leaf sheath and base of the blade. D. Spikelet, lateral view. E. Spikelet, dorsal view. F. Spikelet, ventral view. G. Upper palea with stamens and lodicules. H. Upper anthecium, ventral view. I. Upper anthecium, dorsal view J. Caryopsis, dorsal view. K. Caryopsis, ventral view.
FIGURE 4 in Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil
FIGURE 4. Leaf blade anatomy of Dichanthelium arenicola and D. cumbucana. A–D. Dichanthelium arenicola. A. Abaxial surface. B. Adaxial surface showing macro and micro hairs. C. Cross section, the arrow is pointing to the scar of a macrohair in D. arenicola [Matos et al. 70 (HUEFS)]. D. Bulliform cells with a macrohair in the central cell, adaxial surface. E–G. D. cumbucana [Harley et al. 15930 (HUEFS)]. E. Abaxial surface with microhairs. F. Adaxial surface with microhairs. G. Cross section. H–I. Prickle hairs. H. D. arenicola, transversal view. I. D. cumbucana, paradermic view. [Bc = bulliform cells; Tc = microhairs; Mh = macrohairs; Pr = Prickle hairs; VB = vascular bundle. Bars: 200 µm (except: F= 100 µm and I= 50 µm)]
FIGURE 1 in Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil
FIGURE 1. Habitat, habit and morphology of Dichanthelium arenicola and D. cumbucana. A–D. Dichanthelium arenicola. A–B. Habitat. Sand dunes surrounded by campo rupestre. C–D. Habit. C. Erect reproductive culms. D. Decumbent and ascending vegetative culms. E–F. D. cumbucana. E. Habitat and habit. Rocky environment near to Mucugezinho River in Palmeiras, Bahia. F. Vegetative and reproductive culms. (Photos by AOM, RPO and José Florêncio Oliveira)
FIGURE 4 in Dichanthelium multiglandulosum (Paniceae, Panicoideae, Poaceae), a new species from Jalisco, Mexico, and the reestablishment of Panicum transiens as Dichanthelium transiens
FIGURE 4. Distribution of Dichanthelium transiens (¡) and D. multiglandulosum (●).
FIGURE 6 in Macro and microcharacters reveal a new species of Dichanthelium (Poaceae, Panicoideae) endemic to sandy soils of the Chapada Diamantina, Bahia, northeastern Brazil
FIGURE 6. Geographic distribution of Dichanthelium arenicola and D. cumbucana.
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