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FIGURE 19. 1-2 in Early Cretaceous angiosperm leaves from the Dakota Formation, Hoisington III locality, Kansas, USA

FIGURE 19. 1-2, Anisodromum upchurchii sp. nov., UF15706-24576, middle portion of lamina showing strong primary and secondary veins (scale bar equals 1 cm) (1) and enlargement of an area in Figure 19.1 (indicated by arrow) to show percurrent tertiary veins (scale bar equals 2 mm) (2). 3-4, Anisodromum schimperi (Lesquereux) comb. nov., UF15706-24635, leaf showing uneven spacing of secondary veins and reticulate tertiary veins (scale bar equals 5 mm) (3) and; UF15706-24633, leaf showing secondary venation and reticulate tertiary veins (scale bar equals 5 mm) (4).

FIGURE 25 in Early Cretaceous angiosperm leaves from the Dakota Formation, Hoisington III locality, Kansas, USA

FIGURE 25. Dicotylophyllum skogii sp. nov. 1, UF15706-24573, fragment of leaf to show the petiole and strong primary vein. Scale bar equals 1 cm. 2, Enlargement of Figure 25.1 (area indicated by the upper arrow) to show secondary and intersecondary veins. Scale bar equals 2 mm. 3, Enlargement of the base of the leaf in Figure 25.1 (are indicated by the lower arrow) to show venation. Scale bar equals 2 mm.

FIGURE 13 in Early Cretaceous angiosperm leaves from the Dakota Formation, Hoisington III locality, Kansas, USA

FIGURE 13. Sapindopsis powelliana (Lesquereux) comb. nov. 1, UF15706-14830. leaf with four leaflets. Note two ultimate leaflets appearing to be bilobed (indicated by arrow on the left), two oppositely arranged lateral leaflets, and stipule at the base. Scale bar equals 1 cm. 2, Enlargement of Figure 13.1 (indicated by arrow on the right) to show secondary and tertiary venation. Scale bar equals 2 mm. 3, Enlargement to of Figure 13.1 to show venation of the stipule. Scale bar equals 2 mm. 4, UF15706-14814, an elliptic leaflet with acuminate apex. Scale bar equals 1 cm. 5, Enlargement of Figure 13.4 to show secondary and tertiary venation. Scale bar equals 3 mm.

FIGURE 18 in Early Cretaceous angiosperm leaves from the Dakota Formation, Hoisington III locality, Kansas, USA

FIGURE 18. Anisodromum wolfei Upchurch and Dilcher, 1990. 1, UF15706-14818, general leaflet shape. Note long petiolule. Scale bar equals 1 cm. 2, Enlargement of Figure 18.1 to show strong secondary veins and percurrent tertiary veins oriented perpendicular to the primary vein. Scale bar equals 2 mm. 3, UF15706-24566, general leaflet shape. Scale bar equals 5 mm. 4, Enlargement of Figure 18.3 to show percurrent tertiary veins oriented almost perpendicular to the primary vein. Scale bar equals 2 mm.

FIGURE 12 in Early Cretaceous angiosperm leaves from the Dakota Formation, Hoisington III locality, Kansas, USA

FIGURE 12. Paleonelumbo cf. macroloba Knowlton, 1930. 1, UF15826-24649, specimen showing primary venation (scale bar equals 5 mm) and 2, enlargement to show high order venation and toothed margin (scale bar equals 1 mm).

opencc-by-4.0May 2024View details →

Supporting data for: Angiosperms in a conservation area in the semiarid region of Paraíba State, Northeastern Brazil

<h3>Title: Angiosperms in a conservation area in the semiarid region of Paraíba State, Northeastern Brazil.</h3> <p>Contact information: Bernardo de Farias Rocha, bernardorocha284@gmail.com, and José Iranildo Miranda de Melo, tournefort@gmail.com, Universidade Estadual da Paraíba.</p> <p>Figures and table produced to illustrate an article, disponibilized as supporting data.</p> <p>Geographical Coordinates of the Study Area: 6º27'S, 36º18'W</p>

Fig. 6 in A new vesselless angiosperm stem with a cambial variant from the Upper Cretaceous of Antarctica

Fig. 6. Simplified phylogenetic representation (modified from APG VI 2016), with the three main atypical morphological characters discussed: presence of AVES pattern, absence of vessels, and presence of transitional tracheid-vessel elements.

Fig. 5 in A new vesselless angiosperm stem with a cambial variant from the Upper Cretaceous of Antarctica

Fig. 5. World distribution of extant Chloranthaceae (red area) and sites where macro/meso fossils of the family were found (asterisks): Couperites USA), Chloranthistemon (Sweden and USA), Asteropollis plant and Canrightia (Portugal), Zlatkocarpus (Czech Republic), loose anthers Argentina), and Sarcandraxylon gen. nov. (Antarctic Peninsula).

Fig. 3 in A new vesselless angiosperm stem with a cambial variant from the Upper Cretaceous of Antarctica

Fig. 3. SEM images of the secondary xylem of the chloranthacean angiosperm Sarcandraxylon sanjosense gen. et sp. nov. (IAA-Pb 621), San José Pass, Antarctica, early–middle Campanian. A. Transverse section of the stem, showing one vascular bundle in the middle, pith toward the right, white arrows pointing uniseriate fascicular rays. B. Parenchymatic cells of an interfascicular ray in transverse section showing the main shape and piritization of the cell walls. C. Secondary xylem in longitudinal tangential section, showing fascicular xylem (fx) and interfascicular rays (ir). D. Longitudinal section of fascicular xylem; D1, showing tracheids and a two cells tall uniseriate ray (white arrow) with elongate upright cells; D2, detail showing cell walls partially replaced with framboidal pyrite (white arrow). Scale bars: A, D, 100 μm; B, 40 μm; C, 200 μm; E, 50 μm.

Fig. 2 in A new vesselless angiosperm stem with a cambial variant from the Upper Cretaceous of Antarctica

Fig. 2. Light micrographs of the stem of chloranthacean angiosperm Sarcandraxylon sanjosense gen. et sp. nov. (IAA-Pb 621), San José Pass, Antarctica, early–middle Campanian. A. Transverse section of the complete stem with pith, secondary xylem, phloem, and bark. B. Protoxylem (black arrow) and metaxylem (white arrow) in a vascular bundle. C. Secondary xylem in transverse section, pith in the left (white arrow), two interfascicular rays and fascicular secondary xylem (fx) intercalated. White arrow pointing uniseriate fascicular ray. D. Detail of bark and secondary phloem. Note phloem with AVES pattern as well. Phloem cells not preserved (p) and phloem fibers cap (black double head arrow) separated by interfascicular rays (ir). Bark (white double head arrow) with a continued thickened layer, forming shallow ribs. E. Tangential section of the stem, arrows pointing fascicular uniseriate rays; at both sides interfascicular rays (ir). Scale bars: 50 μm; except A, 1 mm.

Fig. 4 in A new vesselless angiosperm stem with a cambial variant from the Upper Cretaceous of Antarctica

Fig. 4. Light micrographs of the stem of extant chloranthacean angiosperm Sarcandra glabra (Thunberg, 1794) Nakai, 1930. Images taken from the database of Japanese woods of the Forestry and Forest Products Research Institute (http://db.ffpri.affrc.go.jp/WoodDB/JWDB-E/home.php; accessed in 2019). A. Transverse section of the stem, pith almost entirely missing, secondary xylem with growth rings, secondary phloem and bark. B. Secondary xylem in transverse section, two interfascicular rays (ir) and fascicular secondary xylem (fx) intercalated. White arrow pointing uniseriate fascicular ray. Black arrow pointing protoxylem. C. Detail of bark and secondary phloem. Note phloem with AVES pattern as well. Phloem cells preserved and phloem fibers cap (black double headed arrow) separated by interfascicular rays. Bark (white double headed arrow) with a continued thickened layer. D. Tangential section of the stem, arrows pointing fascicular uniseriate rays in fascicular xylem (fx). Interfascicular rays (ir) intercalated. Scale bars 50 μm, except A, 1 mm.

Fig. 47 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 47. Isolectotype of Carex capricornis Meinsh. ex Maxim. var. capitata Maxim. (LE 01012320; KPMNX0001323).

Fig. 46 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 46. Lectotype of Carex capricornis Meinsh. ex Maxim. var. capitata Maxim. (LE 01012319; KPM-NX0001322).

Fig. 37 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 37. Lectotype (LE 01012432) and syntype (LE 01012430) of Eriocaulon alpestre Hook.f. & Thomson ex Körn. var. robustium Maxim. (KPM-NX0001310).

Fig. 36 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 36. Syntype of Polygonatum giganteum A. Dietr var. macranthum Maxim. (LE 01012153; KPMNX0001304).

Fig. 32 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 32. Syntypes of Lycoris sanguinea Maxim. (LE 01012637, LE 01012635, LE 01012636; KPMNX0001294).

Fig. 4 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 4. Syntype of Aspidium craspedosorum Maxim. var. japonicum Maxim. (LE 01009865; KPM-NX0001854).

Fig. 6 in Plant Type Materials from Kanagawa Prefecture (Japan) in the Herbarium of the Komarov Botanical Institute (LE; Russia): Lycophytes, Ferns, Gymnosperms, and Angiosperms (Monocots and some Dicots)

Fig. 6. Lectotype (LE 01011614) and syntype (LE 01011615) of Chamaecyparis breviramea Maxim. (KPMNX0001841).

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Fig. 2. Early angiosperm Pseudoasterophyllites cretaceus O in The early angiosperm Pseudoasterophyllites cretaceus from Albian-Cenomanian of Czech Republic and France revisited

Fig. 2. Early angiosperm Pseudoasterophyllites cretaceus O. Feistmantel ex Velenovský, 1887 from the Late Cretaceous of Pecinov (unit 3), Czech Republic (A, D, E; SEM photographs) and Les Renardières, France (B, C). A. Isolated stamen showing apical extension of connective, NMP F 2880c. B. Macerated stamen showing two pairs of pollen sacs, UL REN 001. C. Detail of macerated stamen showing pollen in situ, UL REN 002. D. Detail of the apical extension of connective, NMP F 2880c. E. Epidermis surface of the apical extension of connective showing paracytic stomata and papillae, NMP F 2880c. Scale bars: A 1 mm, B 0.5 mm, C 100 µm, D 150 µm, E 60 µm.