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17 results for “Ceratozamia latifolia”
FIGURE 14 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 14. Ceratozamia reesii sp. nov. in the holotype's population, San Pedro, Xilitla, SLP. (A) Adult plant in its usual karstic cliff habitat. Aspect of leaves in (B) juveniles and (C) and adult plants in habitat.
FIGURE 11 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 11. Cross section through leaflet margins: A, Ceratozamia latifolia indicating palisade mesophyll cells and margin hypodermal sclerenchyma fibres (arrows). B, C. reesii indicating perivascular and intravascular fibres (arrows) bars = 100µm. C, detail of C. latifolia leaflet margin indicating margin hypodermal sclerenchyma fibres and cuticle, bar = 100µm. D, cross section through C. latifolia leaflet showing stomatal apparatus, epistomatal pore and large lumen cell (arrows), bar = 20µm. Stain, A–C phloroglucinol HCl, D Safranin O and Fast Green FCF.
FIGURE 3 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 3. Comparison of seed cones among the two focal species in this study, Ceratozamia latifolia (= C. microstrobila) and C. reesii sp. nov. (populations from northern Xilitla, San Luis Potosí, Mexico), and the geographically close species, C. chamberlainii. Scale = 10 cm.
FIGURE 2 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 2. Comparison of leaflets within and among the two focal species in this study, Ceratozamia latifolia (= C. microstrobila) and C. reesii sp. nov. (populations from northern Xilitla, San Luis Potosí, Mexico), and the geographically close species, C. chamberlainii. Scales = 10 cm.
FIGURE 1 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 1. Comparison of vegetative traits between the two focal species in this study, Ceratozamia latifolia (= C. microstrobila) (A) and C. reesii sp. nov. (populations from northern Xilitla, San Luis Potosí, Mexico) (B), and two geographically close species, C. chamberlainii (C), and C. fuscoviridis (D).
FIGURE 17 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 17. Ceratozamia reesii sp. nov. plant in its usual karstic cliff habitat in El Cañón, Xilitla, SLP.
FIGURE 9 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 9. Microsporophylls of (A) C. latifolia and (B) C. reesii. Scale = 1 cm. Photos edited by José García.
FIGURE 13 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 13. Linear discriminant analysis on leaflet anatomical traits clearly separates the two taxa, Ceratozamia microstrobila and C. latifolia. (A) The two main axes calculated from the variation of traits A–P separates the two specimens of C. microstrobila (mic) and the two specimens of C. latifolia (lat). (B) When consider two groups (mic and lat), a discriminant axis that summarizes the total variation clearly separates the two species. Traits A–P correspond to those listed in Table 4.
FIGURE 6 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 6. Morphological variation among four Ceratozamia species examined in this study: C. latifolia (lat), the putative new species C. reesii (ree), C. chamberlainii (cha), C. fuscoviridis (fus). Traits A–N correspond to those listed in Table 2.
FIGURE 12 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 12. Anatomical variation in the species Ceratozamia microstrobila (mic) and C. latifolia (lat). A, Adaxial cuticle thickness; B, Abaxial cuticle thickness; C, TS length of margin hypodermal cell; D, TS width of margin hypodermal cell; E, TS length of large lumen abaxial cell; F, TS width of large lumen abaxial cell; G, Number of perivascular fibers; H, TS length of perivascular fibers; I, TS width of perivascular fibers; J, Number of intravascular fibers; K, TS Length of intravascular fibers; L, TS Width of intravascular fibers; M, Length of palisade cells; N, Width of palisade cells; O, Depth of stomatal pore; P, Width of stomatal pore. TS, Transversal section.
FIGURE 5 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 5. Distribution map of species studied in this research. Populations 1–14 correspond to those indicated in Table 1.
FIGURE 16 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 16. Ceratozamia reesii sp. nov. Pollen cone (A), seed cone (B), (C) details of the leaflet articulations, (D) prickles in petiole. Scales = 10 cm. Photos A and B edited by José García. Photo D by Diego Báez Ruiz.
FIGURE 15 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 15. Ceratozamia reesii sp. nov. in El Cañón, Xilitla, SLP. (A) Adult plant with emerging leaves. Note that emerging leaves are light green, differing with the reddish-brown of the closely related species C. chamberlainii. (B–C) Details of leaflet shape. Photos by Diego Báez Ruiz.
FIGURE 10. Seed variation between C in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 10. Seed variation between C. reesii sp. nov and C. latifolia.
FIGURE 7 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 7. Linear discriminant analysis on morphological traits distinguish the four examined species along the two main axes (A): C. latifolia (=C. microstrobila) (lat), C. reesii sp. nov. (ree), C. chamberlainii (cha) and C. fuscoviridis (fus). Plot B shows the LDA plot when consider the 14 populations as proxies.
FIGURE 4 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 4. Plants in the Francisco Clavijero Botanic Garden, Xalapa, Mexico. (A) Ceratozamia latifolia 2001-084A (brown leaves are senescent; remaining leaves are mature); (B) C. latifolia 1978-407A; (C) Petioles lack prickles in C. latifolia (specimen 1978-407A); (D). C. reesii 2001-112A; (E) C. reesii 2001-05A (brown leaves are senescent; remaining leaves are mature). (F) Petioles have many prickles in C. reesii (specimen C. reesii 2001-05A).
FIGURE 8 in Morphological and anatomical analyses clarify the species definition of Ceratozamia latifolia Miq. (Zamiaceae) and lead to the description of a new species: Ceratozamia reesii
FIGURE 8. Morphological variation of reproductive traits in Ceratozamia latifolia and C. reesii. Traits O–U correspond to those listed in Table 2.
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