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33 results for “Petalidium”
Data from: RADseq dataset with 90% missing data fully resolves recent radiation of Petalidium (Acanthaceae) in the ultra-arid deserts of Namibia
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Figure 6 in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 6. The strict consensus trees, principal clades and their bootstrap support (numbers above the clade) and Bremer support (numbers below the clade in circles). A, analysis 1 with Lucifer typus as the outgroup. B, analysis 2 with Aristeomorpha foliacea as the outgroup.
Figure 5. Petalidium suspiriosum. A in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 5. Petalidium suspiriosum. A, lateral view of anterior part of carapace (YPM IZ 068756, female, syntype). B, male clasping organ. C, petasma. a, pars externa; e, pars astrigens; la, lobus armatus; lc, lobus connectens; li, lobus inermis; lt, lobus terminalis; m, pars media; pb, processus basalis; pv, processus ventralis. D, uropod. Scale bar: (A) = 2 mm, (B) = 4 mm, (C) = 1 mm. (A–C, Wasmer, 1974; D, Burkenroad, 1937). LI, lobus inermis; LT, lobus terminalis; PV, processus ventralis; LC, lobus connectens; Lac, lobus accessorius; LA, lobus armatus; PU, processus uncifer.
Figure 4 in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 4. Petalidium obesum, male ZMUC-CRU-20547. A, lateral view of anterior part of carapace. B, male clasping organ. C, petasma. la, lobus armatus; lc, lobus connectens; li, lobus inermis; lt, lobus terminalis; pv, processus ventralis. D, uropodal exopod. E, scaphocerite. Scale bar = 2 mm. LI, lobus inermis; LT, lobus terminalis; PV, processus ventralis; LC, lobus connectens; Lac, lobus accessorius; LA, lobus armatus; PU, processus uncifer.
Figure 3 in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 3. Petalidium foliaceum, male ZMUC-CRU- 20546. A, lateral view of anterior part of carapace. B, petasma, la, lobus armatus; li, lobus inermis; lt, lobus terminalis; pv, processus ventralis; pu, processus uncifer. C, uropod (Hale & Johnston, 1941). Scale bar = 2 mm. LI, lobus inermis; LT, lobus terminalis; PV, processus ventralis; LC, lobus connectens; LAc, lobus accessorius; LA, lobus armatus; PU, processus uncifer.
Figure 8 in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 8. Distribution of Petalidium foliaceum south of Australia (sensu Wasmer, 1993). PF, Polar Front; STF, Subtropical Front.
Figure 2 in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 2. Branchial chamber, arthrobranchs on the somites IX–XIII. A, Petalidium foliaceum, male ZMUC-CRU- 20546. B, Petalidium obesum, male ZMUC-CRU-20547. C, Petalidium suspiriosum, female, YPM IZ 068756. d.p., dendritic part of the arthrobranch; l.p., lamellar part of the arthrobranch. Scale bar = 1 mm.
Figure 7 in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 7. Macroscale geographical distribution: Petalidium foliaceum (pink), Petalidium obesum (green), and Petalidium foliaceum (crimpson). Type localities (black circles) and Dana stations (yellow circles) are indicated; filled areas are supported by literature data.
Figure 1. A in Phylogeny and taxonomy of the enigmatic genus Petalidium (Decapoda, Sergestidae), with biological remarks
Figure 1. A, Petalidium obesum, male, ZMUC-CRU-20547. B, Petalidium suspiriosum, YPM IZ 068756, female, syntype. C, P. obesum, male clasping organ. D, Petalidium foliaceum, petasma. E, P. obesum, petasma. LI, lobus inermis; LT, lobus terminalis; PV, processus ventralis; LC, lobus connectens; Lac, lobus accessorius; LA, lobus armatus; PU, processus uncifer.
FIGURE 1 in Reinstatement of the name Petalidium ovatum (Acanthaceae), with an amplified description of the species
FIGURE 1. Petalidium ovatum, habitat and habit. A. Plant (ca. 600 mm high) on arid hillside at Grootberg, highest point on road C39 between Vrede and Bergsig. B. Plant (ca. 500 mm high) in ephemeral riverbed, Farm Inhoek 482, 8 km from Khorixas on road C39. Photographs: W. Swanepoel.
FIGURE 3 in Reinstatement of the name Petalidium ovatum (Acanthaceae), with an amplified description of the species
FIGURE 3. Petalidium ovatum, leaf (A) and flower morphology (B–E). A. Branchlet with leaves and flowers. B. Flower in front view. C. Flower in lateral view; note widely ovate bracteole with venation ca. visible. D. Flower in front view. E. Flower in lateral view; note bracteoles with indumentum particularly dense and venation not visible. Photographs: W. Swanepoel.
FIGURE 5 in Reinstatement of the name Petalidium ovatum (Acanthaceae), with an amplified description of the species
FIGURE 5. Petalidium englerianum, leaf (A) and flower morphology (B–E). A. Branchlet with leaves and flower, the latter starting to fade. B. Flower in front view. C. Flower in lateral view. D. Flower in front view. E. Relatively old flower; upper corolla lobes having turned brownish orange as they are fading. Photographs: W. Swanepoel.
FIGURE 2. Petalidium ovatum, habit. A in Reinstatement of the name Petalidium ovatum (Acanthaceae), with an amplified description of the species
FIGURE 2. Petalidium ovatum, habit. A. Dwarf shrub, ca. 350 mm high (at Farm Fonteine 717). B. Base of mature plant showing woody stems with fissured greyish white bark (at Farm Fonteine 717). Photographs: W. Swanepoel.
FIGURE 4 in Petalidium sesfonteinense (Acanthaceae), a new species from the Kaokoveld, Namibia
FIGURE 4. Flowers of two species related to Petalidium sesfonteinense, for purposes of comparison. A. P. kaokoense. Note the one-coloured lobes of similar shade with relatively long yellow nectar guides (Hartmann Mountains, Kaokoveld). B. P. variabile. Note the difference in shade between lobes and the relatively short yellow nectar guides (Okahandja, central Namibia). Photographs: W. Swanepoel.
FIGURE 1. Petalidium sesfonteinense. A. Habit. Plant about 40 in Petalidium sesfonteinense (Acanthaceae), a new species from the Kaokoveld, Namibia
FIGURE 1. Petalidium sesfonteinense. A. Habit. Plant about 40 cm tall. B. Flower, shoots, and leaves; greyish leaves are still densely covered in trichomes; green leaves almost glabrous. Photographs: W. Swanepoel. Swanepoel 568.
FIGURE 2 in Petalidium sesfonteinense (Acanthaceae), a new species from the Kaokoveld, Namibia
FIGURE 2. Petalidium sesfonteinense. Morphology of flowers. A–D. Flowers in front view showing variation in corolla colour and lobe margins, with two yellow nectar guides. E. Corolla in lateral view. F. Corolla in dorsal view. G. Corolla in ventral view. Scale bar = 5 mm. Photographs: W. Swanepoel. Swanepoel 568 (E, F & G).
FIGURE. Petalidium parvifolium, flower and leaf morphology. A. Branchlet showing leaves that are not succulent; blade ± flat and margins without long, robust, multi-cellular trichomes and isolated, robust, stalked glandular trichomes. B. Flower in front view. C. Flower in lateral view. Scale bar = 5 mm. Photographs by W. Swanepoel. in Petalidium mannheimerae (Acanthaceae), a new species from Namibia and South Africa, with notes on the taxonomic identity of P. parvifolium
FIGURE. Petalidium parvifolium, flower and leaf morphology. A. Branchlet showing leaves that are not succulent; blade ± flat and margins without long, robust, multi-cellular trichomes and isolated, robust, stalked glandular trichomes. B. Flower in front view. C. Flower in lateral view. Scale bar = 5 mm. Photographs by W. Swanepoel.
FIGURE. Petalidium mannheimerae, morphology of flowers from different localities in the Richtersveld, Northern Cape, South Africa (A–D), and leaf morphology (E). A. Flower in lateral view (Sun Valley). B. Flower in front view (Sun Valley). C. Flower in front view (Kosies). D. Flowers (Umdaus). E. Branchlet showing leaves being semi-succulent, the blade subconduplicate to conduplicate, recurved towards apex, the margins with isolated, robust, stalked glandular trichomes. Scale bar = 5 mm. Photographs by M. Koekemoer (A–C), N. Jürgens (D), & W. Swanepoel (E). in Petalidium mannheimerae (Acanthaceae), a new species from Namibia and South Africa, with notes on the taxonomic identity of P. parvifolium
FIGURE. Petalidium mannheimerae, morphology of flowers from different localities in the Richtersveld, Northern Cape, South Africa (A–D), and leaf morphology (E). A. Flower in lateral view (Sun Valley). B. Flower in front view (Sun Valley). C. Flower in front view (Kosies). D. Flowers (Umdaus). E. Branchlet showing leaves being semi-succulent, the blade subconduplicate to conduplicate, recurved towards apex, the margins with isolated, robust, stalked glandular trichomes. Scale bar = 5 mm. Photographs by M. Koekemoer (A–C), N. Jürgens (D), & W. Swanepoel (E).
FIGURE. Petalidium mannheimerae, habitat and habit. A. Plant in flower during a particularly dry season (Aussenkjer [Aussenkehr] 147 Farm, ||Kharas Region, Namibia). B. Plant in full flower (Kosies, Richtersveld, Northern Cape, South Africa). Photographs by L. Nanyeni (A) & M. Koekemoer (B). in Petalidium mannheimerae (Acanthaceae), a new species from Namibia and South Africa, with notes on the taxonomic identity of P. parvifolium
FIGURE. Petalidium mannheimerae, habitat and habit. A. Plant in flower during a particularly dry season (Aussenkjer [Aussenkehr] 147 Farm, ||Kharas Region, Namibia). B. Plant in full flower (Kosies, Richtersveld, Northern Cape, South Africa). Photographs by L. Nanyeni (A) & M. Koekemoer (B).
FIGURE. Petalidium parvifolium. Part of the lectotype, Fleck 548, in Herb. Z+ZT. Photograph: Z-000000924 by Zurich United Herbaria Z+ZT / CC BY 4.0. in Petalidium mannheimerae (Acanthaceae), a new species from Namibia and South Africa, with notes on the taxonomic identity of P. parvifolium
FIGURE. Petalidium parvifolium. Part of the lectotype, Fleck 548, in Herb. Z+ZT. Photograph: Z-000000924 by Zurich United Herbaria Z+ZT / CC BY 4.0.
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