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687 results for “Central Mexico”
FIGURE 2b in A revision of Holothuria (Halodeima) kefersteinii (Selenka, 1867) and the revival of Holothuria inornata Semper, 1868 from sea cucumbers collected in Mexico and Central America
FIGURE 2b. Preserved specimens of Holothuria inornata ("red"). A. Dorsal view. B. Ventral view. C. Side view. Bar = 2 cm.
FIGURE 1b in A revision of Holothuria (Halodeima) kefersteinii (Selenka, 1867) and the revival of Holothuria inornata Semper, 1868 from sea cucumbers collected in Mexico and Central America
FIGURE 1b. Preserved specimens of Holothuria kefersteinii ("green"). A. Dorsal view. B. Ventral view. C. Side view. Bar = 2 cm.
FIGURE 1a in A revision of Holothuria (Halodeima) kefersteinii (Selenka, 1867) and the revival of Holothuria inornata Semper, 1868 from sea cucumbers collected in Mexico and Central America
FIGURE 1a. Live specimens of Holothuria kefersteinii ("green"). A. Dorsal side of collected specimen; bar = 2 cm. B and C. Live specimens in situ, after removal of covering rock.
FIGURE 2a in A revision of Holothuria (Halodeima) kefersteinii (Selenka, 1867) and the revival of Holothuria inornata Semper, 1868 from sea cucumbers collected in Mexico and Central America
FIGURE 2a. Live specimens of Holothuria inornata ("red"). A. Dorsal and ventral sides of collected specimen; partial removal of sand covering the body; bar = 2 cm. B and C. Live specimens in situ not covered by rocks.
FIGURE 2 in A new species of broad-leafed Anthurium (Araceae) from the central region of Veracruz, Mexico
FIGURE 2. Map showing the collection site (black dot) of Anthurium tiswatl sp. nov. in Tequila, Veracruz, Mexico.
FIGURE 1. Anthurium tiswatl. A in A new species of broad-leafed Anthurium (Araceae) from the central region of Veracruz, Mexico
FIGURE 1. Anthurium tiswatl. A. Adult plant in its habit; B. Adaxial view of the leaf blade with a portion of the petiole; C. Inflorescence at anthesis (male phase) showing yellowish-green spathe, tinged with purple on the margins; D. Infructescence showing yellowish-green immature berries. Photos by P. Díaz Jiménez.
FIGURE 6. Maximum clade credibility tree for the Opuntia s.s., including O in Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico
FIGURE 6. Maximum clade credibility tree for the Opuntia s.s., including O. delafuentiana. Character support values along branches for maximum likelihood and parsimony non-parametric bootstrap respectively. Bold branches correspond with Bayesian posterior probabilities of 0.95 or above. Clade names follows Majure et al. (2012).
FIGURE 5 in Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico
FIGURE 5. Micromorphologic differences of four species of Opuntia producing xoconostles. Images from the scanning electron microscope of the epidermic cells in spines of the apical and middle part. A. O. joconostle, apical part of the spine with epidermic cells very short and wide. B. O. joconostle, middle part of the spine with epidermic cells of 88.58 μm long and 16.98 μm wide, epidermic cells with fissures between each other and smooth texture. C. O. joconostle, glabrous epidermis, anticlinal walls with rugose texture and paracytic stomata. D. O. matudae, apical part of the spine with short and narrow epidermic cells. E. O. matudae, middle part of the spine with epidermic cells of 105.01 μm long and 21.20 μm wide, epidermic cells with fissures between the cells and smooth texture. F. O. matudae, glabrous epidermis, anticlinal walls with rugose texture and paracytic stomata. G. O. oligacantha, apical part of the spine with long and narrow epidermic cells. H. O. oligacantha, middle part of the spine with epidermic cells of 87.19 μm long and 10.10 μm wide, continuous epidermic cells without fissures between the cells and rugose texture. I. O. oligacantha, pubescent epidermis, anticlinal walls with rugose texture and paracytic stomata. J. O. delafuentiana, apical part of the spine with epidermic cells long and wide. K. O. delafuentiana, middle part of the spine with epidermic cells of 92.02 μm long and 10.76 μm wide, continuous epidermic cells without fissures between the cells and rugose texture. L. O. delafuentiana, pubescent epidermis, anticlinal walls with smooth texture and paracityc stomata.
FIGURE 4. —A. Polyhedric pollen grain, 14–16 in Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico
FIGURE 4. —A. Polyhedric pollen grain, 14–16 pores (x800). —B. Zoom of a pollen grain: reticle, foramens and part of two pores, with wide and glabrate walls (x2500). —C. Lenticular seed, irregular lateral aril, wider in the inferior left side (x25). —D. Basal view of the seed, lateral hilo-micropilar region, deep, micropile and funicle included, testa punteate (x30). —E. Lateral aril cells (x90). Reference specimen: C. Martínez-González 4 (MEXU).
FIGURE 3. —A in Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico
FIGURE 3. —A. Areole with short trichomes, glochides, base of a triangular central spine and four radial spines (x25). —B. Apical part of a spine, short epidermic cells (x125). —C. Middle part of a spine, continuous epidermic cells without fissures between the cells and with rugose texture (x110). —D. Glochides with prominent apexes of the epidermic cells (x250). —E. Pubescent epidermis, epidermic cells with smooth anticlinal walls (x400). —F. Paracytic stomata (x500). Reference specimen: C. Martinez-González 4 (MEXU).
FIGURE 2. —A y B in Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico
FIGURE 2. —A y B. Acute floral bud, segments of the perianth brown, acuminate apex, reddish, obovate pericarpel, prominent tubers, areoles with short trichomes, pinkish, brown glochides and some areoles with brown bristles. —C. Flower in anthesis, superior view, interior segments yellow, obovate with an emarginate apex. —D. Longitudinal cut of the flower, yellowish filaments and white anthers, white style, green lobes of the stigma. —E. Elliptic to obovate fruits, yellowish with green-whitish tones, 4–6 series of areoles, spines absent, glochides brown-yellowish. —F. Longitudinal cut of the fruit, 5.8 cm long, wide walls, green whitish and acids, funicles whitish, semidry and insipid. Reference specimen: C. Martínez-González 4 (MEXU).
FIGURE 1. —A. Bushy habit, 1.13 m in Opuntia delafuentiana (Cactaceae: Opuntioideae), a new xoconostle from central Mexico
FIGURE 1. —A. Bushy habit, 1.13 m height. Native plant from Villa de Tezontepec Municipality, Hidalgo, Mexico. —B. Obovate cladodes, spines present on the areoles. —C. Young cladode, prominent tubers, areoles with short trichomes, pinkish, setose hairs, white, leaves subulate, erect, reddish and with an uncinate apex. Reference specimen: C. Martínez-González 4 (MEXU).
FIGURE 5. Salvia xolocotzii. A. Habit. B in Four new species of Salvia (Lamiaceae) from central Mexico
FIGURE 5. Salvia xolocotzii. A. Habit. B. Detail of the pubescence of the rachis. C. Detail of the pubescence of the petiole. D. Close up of the margin of the leaf. E. Bract. F. Lateral view of the flower. G. Lateral and dorsal view of the calyx. H. Frontal view of the lower lip of the corolla. I. Terminal part of the style. J. connectives and thecae (based on S. Zamudio, E. Carranza, B. Bedolla & E. Sánchez 16443 (IEB!), illustrated by Alfonso Barbosa).
FIGURE 7. Salvia zamoranensis. A. Habit. B. Stoloniferous stem. C in Four new species of Salvia (Lamiaceae) from central Mexico
FIGURE 7. Salvia zamoranensis. A. Habit. B. Stoloniferous stem. C. Detail of the pubescence of the stem. D. Different forms of leaves. E. Bract. F. Lateral and dorsal view of the calyx. G. Lateral view of the corolla, with the tube strongly invaginated. H. Frontal view of the lower lip of the corolla (based on S. Zamudio, B. Bedolla & E. Olvera 16091 (IEB), illustrated by Alfonso Barbosa).
FIGURE 3. Salvia calderoniae. A. Habit. B. Stem branched from the base. C in Four new species of Salvia (Lamiaceae) from central Mexico
FIGURE 3. Salvia calderoniae. A. Habit. B. Stem branched from the base. C. Detail of the pubescence of stem. D. Bract. E. Lateral view of the calyx. F. Lateral view of the corolla, with the tube arched. G. Frontal view of the lower lip of the corolla (based on S. Zamudio, B. Bedolla & E. Olvera16547 (IEB!), illustrated by Alfonso Barbosa).
FIGURE 4. Salvia carranzae. A. Habit. B in Four new species of Salvia (Lamiaceae) from central Mexico
FIGURE 4. Salvia carranzae. A. Habit. B. Portion of the inflorescence. Salvia calderoniae. C. Inflorescence. D. Lateral view of the corolla (photographs taken by S. Zamudio).
FIGURE 6. Salvia xolocotzii. A. Habit. B in Four new species of Salvia (Lamiaceae) from central Mexico
FIGURE 6. Salvia xolocotzii. A. Habit. B. Portion of the inflorescence. Salvia zamoranensis. C. Frontal view of the flower. D. Close up of the plant (photographs taken by S. Zamudio).
FIGURE 1. Salvia carranzae. A. Habit. B in Four new species of Salvia (Lamiaceae) from central Mexico
FIGURE 1. Salvia carranzae. A. Habit. B. Detail of the pubescence of stem. C. Detail of the pubescence of the rachis. D. Close up of the leaf lower surface. E. Bract. F. Dorsal and ventral view of the calyx. G. Lateral view of the corolla. H. Frontal view of the lower lip of the corolla. I. Terminal part of the style (based on S. Zamudio & E. Carranza 11189 (IEB!), illustrated by Alfonso Barbosa).
FIGURE 1 in Novelties and notes in Lindsaea (Lindsaeaceae) from Mexico and Central America
FIGURE 1. Lindsaea angustipinna (A. Rojas & G. Araya 7752, CR). A. General aspect of type specimen. B. Abaxial blade detail.
FIGURE 3 in Novelties and notes in Lindsaea (Lindsaeaceae) from Mexico and Central America
FIGURE 3. Lindsaea mesoamericana (H. Hernández & C. González 1718, MEXU). A. General aspect of type specimen. B. Abaxial blade detail.
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