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33 results for “Podocarpaceae”
Data From: Contrasting physiological traits of shade tolerance in Pinus and Podocarpaceae native to a tropical Vietnamese forest: Insight from an aberrant flat-leaved pine
<p>The absence of pines from tropical forests is a puzzling biogeographical oddity potentially explained by traits of shade intolerance. <i>Pinus krempfii</i>, a flat-leaved pine endemic to the Central Highlands of Vietnam, provides a notable exception as it seems to successfully compete with shade-tolerant tropical species. Here, we test the hypothesis that successful conifer performance at the juvenile stage depends on physiological traits of shade tolerance by comparing the physiological characteristics of <i>P. krempfii </i>to coexisting species from the genus <i>Pinus</i> and from the Podocarpaceae, a relatively abundant and shade tolerant conifer family found in pantropical forests. We examined leaf photosynthetic, respiratory and biochemical traits. Additionally, we compiled attainable maximum photosynthesis, maximum RuBP carboxylation (<i>Vc</i><sub>max</sub>) and maximum electron transport (<i>J</i><sub>max</sub>) values for <i>Pinus</i> and Podocarpaceae species from the literature. In our literature compilation, <i>P. krempfii </i>was intermediate between <i>Pinus</i> and Podocarpaceae in its maximum photosynthesis and its <i>Vc</i><sub>max</sub>. <i>Pinus</i> exhibited a higher <i>Vc</i><sub>max</sub> than Podocarpaceae, resulting in a less steep slope in the linear relationship between <i>J</i><sub>max</sub> and <i>Vc</i><sub>max</sub>. These results suggest that <i>Pinus </i>may be more shade intolerant than Podocarpaceae with <i>P. krempfii </i>falling between the two groups. However, in contrast, Vietnamese conifers' leaf mass per areas and biochemical traits did not highlight the same intermediate nature of <i>P. krempfii</i>. Furthermore, regardless of leaf shape or family assignation, all species demonstrated a common carbon gain efficiency. Overall, our findings highlight the importance of shade tolerance for conifer survival in tropical forests. However, they also demonstrate a diversity of shade tolerance strategies, all of which lead to the persistence of Vietnamese juvenile conifers in low-light tropical understories.</p>
Data From: Contrasting physiological traits of shade tolerance in Pinus and Podocarpaceae native to a tropical Vietnamese forest: Insight from an aberrant flat-leaved pine
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FIGURE 9 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 9. Male pupa of Qinococcus podocarpus Wu, sp. n. Notes: A: thoracic spiracle; B: multilocular pore with 3 central loculi in a triangle; C: multilocular pore with 2 central loculi.
FIGURES 10–15 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURES 10–15. Habitat photographs of Qinococcus podocarpus Wu, sp. n. 10. Adult female; 11. Adult male; 12. Eggs and egg production; 13. First-instar nymph; 14. Cyst; 15. Third-instar male nymph.
FIGURE 8 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 8. Third-instar nymph of male Qinococcus podocarpus Wu, sp. n. Notes: A: antenna; B: dorsum of scape and pedicel of antenna; C: thoracic spiracle; D: abdominal spiracle; E: leg; F: claw; G: U-shaped sclerotization; H: anus; I: simple pore; J: multilocular pore with 3 central loculi in a triangle; K: multilocular pore with 2 central loculi; L: hair at distal end of tibia; M: spine.
FIGURE 6 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 6. Second-instar nymph (cyst) of male Qinococcus podocarpus Wu, sp. n. (left: dorsum; right: venter). Notes: A: antenna; B: thoracic spiracle; C: abdominal spiracle; D: flagellate seta; E: simple pore; F: multilocular pores each with 4–7 central loculi; G: spine; H: anal ring.
FIGURE 5 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 5. Second-instar nymph (cyst) of female Qinococcus podocarpus Wu, sp. n. (left: dorsum; right: venter). Notes: A: antenna; B: thoracic spiracle; C: abdominal spiracle; D: flagellate seta; E: simple pore; F: multilocular pores each with 4‒7 central loculi; G: spine; H: anal ring.
FIGURE 2 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 2. Adult female of Qinococcus podocarpus Wu, sp. n. (left: dorsum; right: venter). Notes: A: setae group at position of fore leg; B: thoracic spiracle; C: abdominal spiracle; D: simple pore; E: multilocular pore with 3 central loculi in a triangle; F: multilocular pores with 4–7 central loculi; G: multilocular pore with 2 central loculi; H: spine; I: flagellate seta; J: antenna; K: anal ring; L: vulva and 3 adjacent apodemes
FIGURE 3 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 3. Adult male of Qinococcus podocarpus Wu, sp. n. Notes: A: leg; B: claw; C: thoracic spiracle; D: hind wing; E: circular sensorium; F: cuticular reticulum on fore wing; G: disc pore; H: simple pore; I: tubular duct; J: dorsal view of penis sheath; K: ventral view of penis sheath and penis; L: lateral view of penis sheath and penis; M: spine; N: venter of head; O: dorsum of prothorax, showing an inverted "π"-like post tergite; P: scutellum.
FIGURE 7 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 7. Third-instar nymph (cyst) of female Qinococcus podocarpus Wu, sp. n. (left: dorsum; right: venter). Notes: A: antenna; B: thoracic spiracle; C: abdominal spiracle; D: flagellate seta; E: simple pore; F: multilocular pores each with 4–7 central loculi; G: spine; H: anal ring.
FIGURE 4 in A new coccoid family (Hemiptera: Coccomorpha) for an unusual species of scale insect on Podocarpus macrophyllus (Podocarpaceae) from southern China
FIGURE 4. First-instar nymph of Qinococcus podocarpus Wu, sp. n. Notes: A: antenna; B: coeloconic sensilla; C: labium; D: leg; E: claw; F: thoracic spiracle; G: abdominal spiracle; H: anus; I: cicatrice; J: multilocular pore with 3 central and outer loculi; K: multilocular pore with 1 central and 7 outer loculi; L: bilocular pore with 2 loculi; M: simple pore; N: sieve-like multilocular pore.
FIGURE 7 in The correct name for the New Zealand endemic conifer Hall's totara (Araucariales: Podocarpaceae)
FIGURE 7. Lectotype of Podocarpus hallii WELT SP038177 (upper branchlet), Copyright © Museum of New Zealand, Te Papa Tongarewa; reproduced with permission.
FIGURE 3 in The correct name for the New Zealand endemic conifer Hall's totara (Araucariales: Podocarpaceae)
FIGURE 3. Podocarpus laetus (as laeta), US 545959, Copyright © United States National Herbarium, Smithsonian Institution; reproduced with permission.
FIGURE 6 in The correct name for the New Zealand endemic conifer Hall's totara (Araucariales: Podocarpaceae)
FIGURE 6. Lectotype of Podocarpus cunninghamii, Copyright © Royal Botanic Gardens, Kew; reproduced with permission.
FIGURE 2 in The correct name for the New Zealand endemic conifer Hall's totara (Araucariales: Podocarpaceae)
FIGURE 2. Neotype of Podocarpus laetus (as laeta), P01621724, Copyright © Museum National d'histoire naturelle, Paris; reproduced with permission.
FIGURE 1 in The correct name for the New Zealand endemic conifer Hall's totara (Araucariales: Podocarpaceae)
FIGURE 1. Podocarpus laetus (as Bidwilli), B10 0426223, Copyright © Botanic Garden and Botanical Museum Berlin-Dahlem, Freie Universität Berlin; reproduced with permission.
Data from: Development of 15 nuclear EST microsatellite markers for the palaeoendemic conifer Pherosphaera hookeriana (Podocarpaceae)
Premise of the study: Nuclear microsatellite markers were developed for population genetic analysis of the threatened palaeoendemic conifer Pherosphaera hookeriana W. Archer (Podocarpaceae). Methods and Results: Fifteen variable loci were identified showing 1 to 13 alleles per population with seven loci displaying over four alleles in all populations and the average number of alleles per locus ranging from 4.8 to 5.93 per population. The observed heterozygosity per locus varied from 0.00 to 0.91 and overall heterozygosity was markedly consistent between populations (from 0.54 to 0.57). All loci also amplified in the endangered congener P. fitzgeraldii but only five of the loci had more than one allele. Conclusions: These 15 loci are the first microsatellite markers developed in the genus Pherosphaera. These loci will be useful for investigating the species' extant genetic diversity and structure, the impact of past environmental change and the significance of asexual reproduction.
Supplementary material 1 from: Beimforde C, Schmidt AR, Tuovila H, Kaulfuss U, Germer J, Lee WG, Rikkinen J (2023) Chaenothecopsis (Mycocaliciales, Ascomycota) from exudates of endemic New Zealand Podocarpaceae. MycoKeys 95: 101-129. https://doi.org/10.3897/mycokeys.95.97601
Sampled specimens' information for the three new Chaenothecopsis species from Podocarpaceae of New Zealand
Data from: Ups and downs: genetic differentiation among populations of the Podocarpus (Podocarpaceae) species in Mesoamerica
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Data from: Development of 15 nuclear EST microsatellite markers for the palaeoendemic conifer Pherosphaera hookeriana (Podocarpaceae)
Open the record for dataset details and reuse information.
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