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2 results for “Hedyflora”
Text-fig. 20. Scanning electron microscope (SEM) images of fruits of Hedyflora (a–d), stamen with in situ Asteropollis sp. pollen (e–g), and Hedyosmum-like staminate inflorescence (h); Torres Vedras locality, Portugal. a, b) Hedyflora sp. 1, lateral and apical views of fruits showing the triangular cross-section, remains of three tepals, apical style and the three lateral "windows" in the hypanthium; c, d) Hedyflora sp. 2, lateral views of fruits showing three well-preserved tepals, apical style and the lateral "windows" in the hypanthium; note the papillae on the lateral wall and around the base of the style; e, f, g) Stamen (f) with in situ pollen of Asteropollis sp. showing the poorly defined star-shaped apertural area (e) and reticulate tectum, with the muri ornamented by small verrucae (g); h) Hedyosmum-like staminate inflorescence with five whorls of tetrasporangiate stamens. Specimens, TV43-S101749 (a, b), TV43-S101307 (c, d), TV44-S137917 (e–g), TV39-S101220 (h). Scale bars 300 Μm (a–d, f, h), 6 Μm (e), 1.5 Μm (g). in The Early Cretaceous Mesofossil Flora Of Torres Vedras (Ne Of Forte Da Forca), Portugal: A Palaeofloristic Analysis Of An Early Angiosperm Community
Text-fig. 20. Scanning electron microscope (SEM) images of fruits of Hedyflora (a–d), stamen with in situ Asteropollis sp. pollen (e–g), and Hedyosmum-like staminate inflorescence (h); Torres Vedras locality, Portugal. a, b) Hedyflora sp. 1, lateral and apical views of fruits showing the triangular cross-section, remains of three tepals, apical style and the three lateral "windows" in the hypanthium; c, d) Hedyflora sp. 2, lateral views of fruits showing three well-preserved tepals, apical style and the lateral "windows" in the hypanthium; note the papillae on the lateral wall and around the base of the style; e, f, g) Stamen (f) with in situ pollen of Asteropollis sp. showing the poorly defined star-shaped apertural area (e) and reticulate tectum, with the muri ornamented by small verrucae (g); h) Hedyosmum-like staminate inflorescence with five whorls of tetrasporangiate stamens. Specimens, TV43-S101749 (a, b), TV43-S101307 (c, d), TV44-S137917 (e–g), TV39-S101220 (h). Scale bars 300 Μm (a–d, f, h), 6 Μm (e), 1.5 Μm (g).
Text-fig. 7. Scanning electron microscope (SEM, a–c, e, f) and synchrotron radiation X-ray tomographic microscopy (SRXTM, d) images of fruits and pollen grains of Hedyflora crystallifera; Catefica locality, Portugal. a, b) Lateral view of fruits showing the remains of apical tepals and remains of the hypanthium, which is thicker on the edges of the fruit in (b) (arrows); c) Detail of hypanthium surface between the thickenings on the edges of the fruit showing polygonal cells with a central papilla; d) Transverse section (orthoslice xy0600) of fruit and seed showing the finely crystalliferous endotesta (arrowhead) and sclerified outer tegmen (asterisk); e) Distal view of pollen grain from surface of fruit showing the poorly defined tetrachotomocolpate aperture (daggers indicating the four arms of the aperture) and semi-tectate, reticulate tectum; f) Detail of pollen wall showing narrow muri with indistinctly beaded surface ornamentation of minute verrucae in poorly defined rows and supported by long columellae. Specimens, Catefica 49-S172313 (a), Catefica 49-S153159 (b), Catefica 49-S172324 (c), Catefica 49-S172325 (d), Catefica 50-S170453 (e, f). Scale bars = 300 Μm (a, b), 100 Μm (d), 50 Μm (c), 6 Μm (e), 1.5 Μm (f). in The Early Cretaceous Mesofossil Flora Of Catefica, Portugal: Angiosperms
Text-fig. 7. Scanning electron microscope (SEM, a–c, e, f) and synchrotron radiation X-ray tomographic microscopy (SRXTM, d) images of fruits and pollen grains of Hedyflora crystallifera; Catefica locality, Portugal. a, b) Lateral view of fruits showing the remains of apical tepals and remains of the hypanthium, which is thicker on the edges of the fruit in (b) (arrows); c) Detail of hypanthium surface between the thickenings on the edges of the fruit showing polygonal cells with a central papilla; d) Transverse section (orthoslice xy0600) of fruit and seed showing the finely crystalliferous endotesta (arrowhead) and sclerified outer tegmen (asterisk); e) Distal view of pollen grain from surface of fruit showing the poorly defined tetrachotomocolpate aperture (daggers indicating the four arms of the aperture) and semi-tectate, reticulate tectum; f) Detail of pollen wall showing narrow muri with indistinctly beaded surface ornamentation of minute verrucae in poorly defined rows and supported by long columellae. Specimens, Catefica 49-S172313 (a), Catefica 49-S153159 (b), Catefica 49-S172324 (c), Catefica 49-S172325 (d), Catefica 50-S170453 (e, f). Scale bars = 300 Μm (a, b), 100 Μm (d), 50 Μm (c), 6 Μm (e), 1.5 Μm (f).
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