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147 results for “Panicoideae”
FIGURE 2 in Digitaria clarkiae (Paniceae, Panicoideae, Poaceae), a new species with a paniculate synflorescence, and the first record of D. costaricensis from México
FIGURE 2. Micromorphology of Digitaria clarkiae. A. First glume. B. Fertile lemma. C. Lodicules of fertile floret. From the type (L. Aragón 362, MEXU).
FIGURE 1. Digitaria clarkiae. A. Plant. B. Ligular area. C. Synflorescence branching pattern. D. Spikelet frontal view showing first glume and sterile lemma. E. Spikelet showing second glume. F. Sterile palea. G in Digitaria clarkiae (Paniceae, Panicoideae, Poaceae), a new species with a paniculate synflorescence, and the first record of D. costaricensis from México
FIGURE 1. Digitaria clarkiae. A. Plant. B. Ligular area. C. Synflorescence branching pattern. D. Spikelet frontal view showing first glume and sterile lemma. E. Spikelet showing second glume. F. Sterile palea. G. Fertile floret. From the type (L. Aragón 362, MEXU).
FIGURE 1. A–D in Taxonomic revision and nomenclatural update of Paspalum sect. Pectinata (Poaceae, Panicoideae, Paspaleae)
FIGURE 1. A–D: Paspalum aspidiotes: A. Upper glume; B. Spikelet, view of the lower lemma; C. Upper lemma; D. Upper palea. E–J: Paspalum cachimboense: E. Habit; F. Node detail; G. Spikelet, view of the upper glume; H. Lower lemma; I. Upper anthecium, view of the upper lemma; J. Upper palea. K–N: Paspalum cordatum: K. Upper glume; L. Lower lemma; M. Upper lemma; N. Upper palea. O–R: Paspalum imbricatum: O. Upper glume; P. Spikelet, view of the lower lemma; Q. Upper lemma; R. Upper palea. S–V: Paspalum lanciflorum: S. Spikelet, view of the upper glume; T. Lower lemma; U. Upper lemma; V. Upper palea. W–Z: Paspalum pectinatum: W. Upper glume; X. Spikelet, view of the lower lemma; Y. Upper lemma; Z. Upper palea. A'–D': Paspalum reticulinerve: A'. Upper glume; B'. Spikelet, view of the lower lemma; C'. Upper lemma; D'. Upper palea. [A–D: N.A. Rosa 2369 (INPA); E–J: M.N. Silva 24 et al. (RB); K–N: H.M. Longhi-Wagner 8963 et al. (ICN); O–R: T.S. Filgueiras 970 (IBGE); S–V: A. Chase 11402 (RB); W–Z: A. Rizzo 4470 (RB); A'–D': T. Killeen 4824 et al. (SI)]. Drawn by Maíra Mezzacappa.
FIGURE 2 in A new species of Paspalum (Poaceae, Panicoideae, Paspaleae-Recta group), from the cangas of the Serra dos Carajás, Pará, Brazil
FIGURE 2. Paspalum cangarum in its habitat: A. Canga vegetation, on the ironstone outcrops. B–C. Detail of the synflorescence. D. Raceme with spikelets showing anthers and stigmas. E. Proximal portion of a raceme. F. Spikelets in detail.
FIGURE 1 in A new species of Paspalum (Poaceae, Panicoideae, Paspaleae-Recta group), from the cangas of the Serra dos Carajás, Pará, Brazil
FIGURE 1. Paspalum cangarum: A. Habit. B. and C. Racemes with solitary spikelets, B.; abaxial view, C. adaxial view. D. Upper floret, upper lemma view. E. Upper glume. F. Upper floret, palea view. G. Lower lemma. Scale bar: A = 1 cm; B–G = 1 mm. Drawn from the holotype. Illustration by Isabela Couto.
FIGURE 3 in A new species of Paspalum (Poaceae, Panicoideae, Paspaleae-Recta group), from the cangas of the Serra dos Carajás, Pará, Brazil
FIGURE 3. Distribution map of Paspalum cangarum. The dark lines indicate the Carajás National Forest (FLONA Carajás) and the Campos Ferruginosos National Park (PARNA Campos Ferruginosos); red circles are occurrence sites; black patches, canga plateaus; grey, mining pits.
FIGURE 1 in Lectotypification of Themeda strigosa (Poaceae, Panicoideae, Andropogoneae)
FIGURE 1. Lectotype of Anthistiria strigosa Buch.-Ham. ex Hook. f. (E00393919, © Royal Botanic Garden Edinburgh).
FIGURE 1 in Iseilema kunhikannanii (Poaceae: Panicoideae), a new species from Rajasthan, India
FIGURE 1. Iseilema kunhikannanii sp. nov. A. Habit; B. Nodes with hairs; C. Part of inflorescence; D.–H. Involucral spikelets: D.–D1. Involucral spikelets; E.–E1. Lower glume; F. Upper glume; G. Upper lemma; H. Stamens; I.–M. Sessile spikelet: I. Lower glume; J. Upper glume; K. Upper lemmas; L. Upper palea; M. Caryopsis; N.–Q. Pedicelled spikelets: N. Pedicelled spikelets; O. Lower glume; P. Upper glume; Q. Upper lemma (Plate by K. Prasad & Y. Mahesh from K. Chandra Mohan 5126).
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 On reinstating Heteropogon allionii (Poaceae: Panicoideae)
FIGURE 4. Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.: A. Habit; B. & C. Inflorescence; D. Lower spikelet pair; E. Lower glume; F. Upper glume; G. Lower lemma; H. Upper lemma; I. Upper palea (E–I: Lower sessile spikelet); J. Lower glume; K. Upper glume; L. Lower lemma; M. Upper lemma (J–M: Lower pedicelled spikelet); N. Upper spikelet pair; O. Lower glume; P. Upper glume; Q. Lower lemma; R. Upper lemma (O–R: upper sessile spikelet); S. Lower glume; T. Upper glume; U. Lower lemma; V. Upper lemma; W. Upper palea (S–W: Upper pedicelled spikelet). Photos by V. Drisya.
FIGURE 3 in On reinstating Heteropogon allionii (Poaceae: Panicoideae)
FIGURE 3. Heteropogon contortus (L.) P. Beauv. ex Roem. & Schult.: A. Lower spikelet pair; B. Lower glume; C. Upper glume; D. Lower lemma; E. Upper lemma; F. Upper palea (B–F: Lower sessile spikelet); G. Lower glume; H. Upper glume; I. Lower lemma; J. Upper lemma (G–J: Lower pedicelled spikelet); K. Upper spikelet pair; L. Lower glume; M. Upper glume; N. Lower lemma; O. Upper lemma (L–O: Upper sessile spikelet); P. Lower glume; Q. Upper glume; R. Lower lemma; S. Upper lemma; T. Upper palea (P–T: Upper pedicelled spikelet); U. Caryopsis. Drawn from V. Drisya & A.K. Pradeep 157843 by V. Drisya
FIGURE 2 in On reinstating Heteropogon allionii (Poaceae: Panicoideae)
FIGURE 2. Heteropogon allionii (Lam. ex DC.) Roem. & Schult.: A. Habit; B. & C. Inflorescence; D. Lower spikelet pair; E. Lower glume; F. Upper glume; G. Lower lemma; H. Upper lemma (E–H: Lower sessile spikelet); I. Lower glume; J. Upper glume; K. Lower lemma; L. Upper lemma (I–L: Lower pedicelled spikelet); M. Upper pair; N. Lower glume; O. Upper glume; P. Lower lemma; Q. Upper lemma (N–Q: Upper sessile spikelet); R. Lower glume; S. Upper glume; T. Lower lemma; U. Upper lemma (Upper pedicelled spikelet). Photos by V. Drisya.
FIGURE 1 in On reinstating Heteropogon allionii (Poaceae: Panicoideae)
FIGURE 1. Heteropogon allionii (Lam. ex DC.) Roem. & Schult.: A. Lower spikelet pair; B. Lower glume; C. Upper glume; D. Lower lemma; E. Upper lemma (B–E: Lower sessile spikelet); F. Lower glume; G. Upper glume; H. Lower lemma; I. Upper lemma (F–I: Lower pedicelled spikelet); J. Upper spikelet pair; K. Lower glume; L. Upper glume; M. Lower lemma; N. Upper lemma (K–N: Upper sessile spikelet); O. Lower glume; P. Upper glume; Q. Lower lemma; R. Upper lemma (O–R: Upper pedicelled spikelet); S. Caryopsis. Drawn from V. Drisya & A.K. Pradeep 157833 by V. Drisya.
FIGURE 3 in On the taxonomic status of the genus Thrasyopsis (Poaceae, Panicoideae, Paspaleae): new combinations in Paspalum
FIGURE 3. Simplified phylogeny of Paspalum based on 4 cpDNA markers (rnL intron, trnL-trnF spacer, atpB-rbcL spacer, and trnG intron, 2223 BP) and 115 morphological characters (redrawn from Rua et al. 2010), in which Thrasyopsis is deeply nested within Paspalum. Values above branches represent symmetric jackknife frequencies.
FIGURE 1 in On the taxonomic status of the genus Thrasyopsis (Poaceae, Panicoideae, Paspaleae): new combinations in Paspalum
FIGURE 1. Parodi´s handwritten memorandum to Swallen, attached to the holotype of T. rawitscheri at BAA, in which relationship of Thrasyopsis with Paspalum group 'Crassa' was suggested.
FIGURE 2 in On the taxonomic status of the genus Thrasyopsis (Poaceae, Panicoideae, Paspaleae): new combinations in Paspalum
FIGURE 2. Transverse sections of rachises of both species formerly placed in Thrasyopsis and here transferred to Paspalum: A, P. repandum (Araujo 174, BAA), and B, P. rawitscheri (Rua & Rosa 728, BAA), scale bars 0.5 mm.
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