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729 results for “Asparagaceae”
FIGURE 4 in Austronea (Asparagaceae, Scilloideae), a new genus from southern Africa, including the description of seven new species
FIGURE 4. General morphology of species of Austronea. A. A. pulchromarginata (J.C.Manning & Goldblatt) Mart.-Azorín et al. from Soebatsfontein (A1) (photo D. Human), Namakwa (A2–3) corresponding to MMA1242 and N of Kamieskroon (A4) corresponding to MMA1680, Northern Cape, South Africa; B. A. trichophylla (Mart.-Azorín et al.) Mart.-Azorín et al. from Table Fam (type locality), Grahamstown, Eastern Cape, South Africa corresponding to MMA613; C. A. vermiformis (J.C.Manning & Goldblatt) Mart.-Azorín et al. from Clanwilliam (type locality), Western Cape, South Africa, corresponding to MMA796.
FIGURE 13 in Austronea (Asparagaceae, Scilloideae), a new genus from southern Africa, including the description of seven new species
FIGURE 13. Austronea pinguis Mart.-Azorín et al. from S of Laingsburg, (type locality), Western Cape, South Africa; in cultivation on 4 May 2018 corresponding to MMA1342b (A–D); and on 17 April 2018 (E); from the type locality on 30 August 2012 (F); and on 3 October 2015 (G–H). A. Inflorescence; B. Flowers, frontal and dorsal views; C. Flower and dissected flower in lateral view; D. Gynoecia, lateral views; E. Plant in flower with nodding young inflorescence; F. Leaf in habitat (Photograph by J. Slade); G. Bulbs and withering leaves; H. Leaves starting to wither prior flowering. Scale bars: A, E, G–H: 1 cm; B–D: 1 mm.
FIGURE 12 in Austronea (Asparagaceae, Scilloideae), a new genus from southern Africa, including the description of seven new species
FIGURE 12. Austronea papillosa Mart.-Azorín et al. from Naib se Berg (type locality), Northern Cape, South Africa, in flower on 28 September 2015 corresponding to MMA1260 and with leaves in cultivation in Alicante (Spain) on 3 February 2018. A. Inflorescence; B. Flower, frontal view; C. Flowers, lateral and dorsal views; D. Dissected flower and gynoecium, lateral views; E. Plants in flower; F. Bulb with withered leaves; G. Detail of withered leaves; H. Bulb with fresh leaves. Scale bars: A–D, G: 5 mm; E–F, H: 1 cm.
FIGURE 11 in Austronea (Asparagaceae, Scilloideae), a new genus from southern Africa, including the description of seven new species
FIGURE 11. Austronea olifanta Mart.-Azorín et al. from S of Clanwilliam, (type locality), Western Cape, South Africa in flower on 23 September 2015 corresponding to MMA1170 and in leaves on 24 July 2016 corresponding to MMA1490-1491. A. Inflorescence; B. Flowers, frontal and dorsal views; C. Dissected flower in lateral view; D. Plants in flower; E. Withered leaves at flowering time; F. Young plants in leaf; G. Mature plants in leaf. Scale bars: A–C: 5 mm; D–G: 1 cm.
FIGURE 7 in Austronea (Asparagaceae, Scilloideae), a new genus from southern Africa, including the description of seven new species
FIGURE 7. Austronea grandiflora Mart.-Azorín et al. from NW of Sutherland (type locality), Northern Cape Province, South Africa, in leaf in the wild on 4 September 2011 and in flower in cultivation in Alicante (Spain) on 15 March 2014 corresponding to MMA828. A. Inflorescence; B. Flowers, frontal and dorsal views; C. Dissected flower in lateral view; D. Gynoecia, lateral views; E. Withered leaf at flowering time; F. Bulb and leaves, lateral views; G. Dissected bulb with leaf. Scale bars: A, F–G: 1 cm; B–E: 5 mm.
FIGURE 1. Peliosanthes longicoronata. a in Peliosanthes longicoronata (Asparagaceae), a new species from central Vietnam
FIGURE 1. Peliosanthes longicoronata. a. flowering plant; b. leaf blade, adaxial view; c. inflorescence (the constriction is arrowed); d, e. longitudinal section of flower; f. flower, view from below (the constriction is arrowed); g. flower, view from above; h. seeds emerging from ovary. (Images provided by M.S. Romanov, illustration designed by E.A. Kuzmicheva).
FIGURE 2 in Aspidistra bella (Asparagaceae), a new species from northern Vietnam
FIGURE 2. Aspidistra bella Aver., Tillich & K.S. Nguyen. Paratype and paratype specimen detail. Averyanov et al., CPC 7484 (LE01042158). Photos, correction and design by L. Averyanov.
FIGURE 1 in Aspidistra bella (Asparagaceae), a new species from northern Vietnam
FIGURE 1. Aspidistra bella Aver., Tillich & K.S. Nguyen corresponding to Averyanov, T. Maisak CPC 7484 / 14369. VIETNAM, Ha Giang province, Bac Me district, plant flowered under cultivation on 10 March 2018. Photos, correction and design by L. Averyanov.
FIGURE 1 in Aspidistra qijiangensis (Asparagaceae), a new species from Chongqing, China
FIGURE 1. Aspidistra qijiangensis (A–C) habitat; (D) plant habit; (E–F) flowers in natural position; (G) longitudinal profile of a flower (showing stamens); (H) longitudinal profile of a flower (showing pistil); (I) stigma apical view; (J) stigma dorsal view; (K) flowers; (L) berry lateral view; (M) berry apical view.
FIGURE 3. A in Agave maria-patriciae (Polycephalae Group: Asparagaceae), a new species from Central Coastal Veracruz, Mexico
FIGURE 3. A. maria-patriciae: A. habit, B. Flower, C. unripe fruits, D. detail of the rosette, E. leaf with central stripe.
FIGURE 2. Agave maria-patriciae. A. Flower, B. Tepals, C in Agave maria-patriciae (Polycephalae Group: Asparagaceae), a new species from Central Coastal Veracruz, Mexico
FIGURE 2. Agave maria-patriciae. A. Flower, B. Tepals, C. Sagittal view of flower, D. Capsules and bracteole, E. Transversal section of the capsule, F. seed, G. Leaf, H. Denticles at margin, I, J. Habit. Illustration by first author from C. Arzaba et al. 451, XAL—holotype. The numbers beside barscales denote centimeters.
FIGURE 3 in Embryology of Polygonatum (Asparagaceae) and its systematic significance
FIGURE 3. Female gametophyte development of Polygonatum macropodum and P. sibiricum. a. Binuclear embryo sac. b–b2. Four-nucleate embryo sac. c–c5. Eight-nucleate embryo sac. d–d5. Seven-celled mature embryo sac. a, b–b2, c–c5, d–d5 scale bar =50 μm.
FIGURE 1 in Embryology of Polygonatum (Asparagaceae) and its systematic significance
FIGURE 1. Microsporogenesis and male gametophyte development of Polygonatum macropodum and P. sibiricum. a. Flower of P. macropodum. b. Flower of P. sibiricum. c. Cross section of a bud, showing six anthers with four microsporangia each. d. Cross section of microsporangia, showing four layers of anther wall. e. Microsporocyte at leptotene. f. Microsporocyte at zygotene. g. Microsporocyte at pachytene. h. Microsporocyte at diplotene. i. Microsporocyte at diakinesis. j. Microsporocyte at metaphase I. k. Microsporocyte at anaphase I. l. Microsporocyte at anaphase II. m. Dyad. n. Microsporocyte at metaphase II (arrows). o. Microsporocyte at telophase I. p. Tetrahedral tetrad (arrows). q. Tetragonal tetrad (arrows). r. Tetrad dissociate (arrows). s. Microspore at mononucleus-centered phase (arrows). t. Microspore at mononucleus-sided phase (arrows). u. Germ cell and vegetative cell are separated by arc-shaped cell wall (arrows). v. The cell wall between the germ cell and the vegetative cell disappears (arrows). w. Two-celled mature pollen grain (arrows). x. Three-celled mature pollen grain (arrows). a scale bar =1cm; b scale bar =1.5cm; c scale bar =500μm; d–m,o scale bar =50μm; n,p–x scale bar =100μm.
FIGURE 2 in Embryology of Polygonatum (Asparagaceae) and its systematic significance
FIGURE 2. Megasporogenesis and female gametophyte development of Polygonatum macropodum and P. sibiricum. a. Longitudinal section of ovary, showing four ovules. b. Cross section of ovary, showing three locules, anatropous ovule. c. Showing micropyle formed by the inner integument. d. Megasporocyte. e. Megasporocyte at leptotene. f. Megasporocyte at zygotene. g. Megasporocyte at pachytene. h. Megasporocyte at diplotene. i. Megasporocyte at diakinesis. j. Megasporocyte at metaphase I. k. Megasporocyte at anaphase I. l. Dyad. m. Megasporocyte at anaphase II (T-shaped). n. Linear tetrad. o. Mononuclear embryo sac. p. Mononuclear embryo sac at mitosis anaphase. a scale bar =0.6 cm; b scale bar =500 μm; c–p scale bar =50 μm.
FIGURE 2. Rohdea extrorsandra. A. Spike. B. Spike apex. C. Spike cross section, view from above. D. Floral bract, adaxial surface. E. Flower, frontal view. F. Flower, sagittal section. G in Rohdea extrorsandra (Asparagaceae), a new species from north-eastern India
FIGURE 2. Rohdea extrorsandra. A. Spike. B. Spike apex. C. Spike cross section, view from above. D. Floral bract, adaxial surface. E. Flower, frontal view. F. Flower, sagittal section. G. Transversal section of perianth tube, with stamens. H. Sagittal section of perianth, with stamens. I. Stamens, side view. J. Pistil. K. Ovary. L. Ovary, transversal section. M. Ovules. N. Fruit. [Image design by D.K. Roy].
FIGURE 1. Rohdea extrorsandra. A-C in Rohdea extrorsandra (Asparagaceae), a new species from north-eastern India
FIGURE 1. Rohdea extrorsandra. A-C. Plant in nature. D, E. Rhizomatous stem with roots. [Image design by D.K. Roy].
FIGURE 3 in Rohdea extrorsandra (Asparagaceae), a new species from north-eastern India
FIGURE 3. Flower of Rohdea longipedunculata. A. Frontal view, B. Sagittal perianth section, C. Pistil, side view (A-C of the same scale), adopted from Tanaka (2003).
FIGURE 1 in Aspidistra maguanensis (Asparagaceae), a new species from Yunnan, China
FIGURE 1. Aspidistra maguanensis (A–B) habitat; (C) plant habit; (D) rhizome; (E) base of the petiole; (F–G) flower; (H) longitudinal profile of a flower (showing pistil); (I) longitudinal profile of a flower (showing stamens); (J) stigma apical view; (K) stigma dorsal view.
FIGURE 3. Peliosanthes griffithii var. breviracemosa. Digital epitype, L. Averyanov, CPC 5402b in New taxa of Peliosanthes and Tupistra (Asparagaceae) in the flora of Laos and Vietnam and supplemental data for T. patula
FIGURE 3. Peliosanthes griffithii var. breviracemosa. Digital epitype, L. Averyanov, CPC 5402b /TM 1065 /13391. Photos, correction and design by L. Averyanov.
FIGURE 5. Tupistra gracilis. Digital epitype, L. Averyanov, CPC 6721a in New taxa of Peliosanthes and Tupistra (Asparagaceae) in the flora of Laos and Vietnam and supplemental data for T. patula
FIGURE 5. Tupistra gracilis. Digital epitype, L. Averyanov, CPC 6721a. Photos, correction and design by L. Averyanov.
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