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45 results for “Psidium”
Figs. 3A-H in Caracterização morfológica de fruto, semente e plântula de Psidium rufum DC. (Myrtaceae)
Figs. 3A-H. Fases da germinação e plântula de P. rufum. A. emissão da radícula; B. afinamento na região da radícula; C. vista frontal da semente; D. alongamento do hipocótilo e da raiz primária; E. alongamento da raiz primária; F. alongamento do hipocótilo e desenvolvimento da raiz; G. plântula; H. plântula com eofilos. h. hilo; r. radícula; hp. hipocótilo; pa. pelos absorventes; co. região do colo; rp. raiz primária; rs. raiz secundária; c. cotilédone; ep. epicótilo; ef. eofilos.
Figs. 1A-H in Caracterização morfológica de fruto, semente e plântula de Psidium rufum DC. (Myrtaceae)
Figs. 1A-H. Morfologia do fruto e semente de P. rufum. A. fruto; B. secção longitudinal do fruto; C. secção transversal do fruto; D. semente; E. secção longitudinal da semente; F. secção transversal da semente; G. secção longitudinal da semente; H. embrião. ca. cálice; s. semente; e. epicarpo; m. mesocarpo; h. hilo; mi. micrópila; em. embrião; t. tegumento; en. endosperma.
Figure 1 in Intraspecific C-value variation and the outcomes in Psidium cattleyanum Sabine essential oil
Figure 1. Relative area (%) of terpenic classes in relation to accessions of Psidium cattleyanum (CAT1, CAT2, CAT3, CAT4, CAT5, CAT6 and CAT8). Hydrogenated monoterpenes (HM), oxygenated monoterpenes (OM), hydrogenated sesquiterpenes (HS) and oxygenated sesquiterpenes (OS).
Antileishmanial compounds isolated from Psidium guajava L. using a metabolomic approach
<p>With an estimated annual incidence of 1 million cases, leishmaniasis is one of the top five vector-borne diseases. Currently available treatments involve side effects, including toxicity, non-specific targeting, and resistance development. Thus, new antileishmanial chemical entities are of the utmost interest to fight against this disease. The aim of this study was to obtain potential antileishmanial natural products from <em>Psidium guajava</em> leaves using a metabolomic workflow. Several crude extracts from <em>P. guajava</em> leaves harvested from different locations Lao People’s Democratic Republic (Lao PDR) were profiled by liquid chromatography coupled to high-resolution mass spectrometry and evaluated for their antileishmanial activities. The putative active compounds were highlighted by multivariate correlation analysis between the antileishmanial response and chromatographic profiles of <em>P. guajava</em> mixtures. The results showed that the pooled apolar fractions from <em>P. guajava</em> were the most active (IC<sub>50</sub> = 1.96±0.47 µg/mL). Multivariate data analysis of the apolar fractions highlighted a family of triterpenoid compounds, including jacoumaric acid (IC<sub>50</sub> = 1.318±0.59 µg/mL) and corosolic acid (IC<sub>50</sub> = 1.01±0.06 µg/mL). Our approach allowed the identification of antileishmanial compounds from the crude extracts in only a small number of steps steps and can be easily adapted for use in the discovery workflows of several other natural products.</p>
Linked collectors and determiners for: A new species of Psidium (Myrtaceae) from Cuba.
Natural history specimen data linked to collectors and determiners held within, "A new species of Psidium (Myrtaceae) from Cuba". Claims or attributions were made on Bionomia by volunteer Scribes, <a href="https://bionomia.net/dataset/69b79f90-f123-4eb0-a79a-865e1972b2ce">https://bionomia.net/dataset/69b79f90-f123-4eb0-a79a-865e1972b2ce</a> using specimen data from the dataset aggregated by the Global Biodiversity Information Facility, <a href="https://gbif.org/dataset/69b79f90-f123-4eb0-a79a-865e1972b2ce">https://gbif.org/dataset/69b79f90-f123-4eb0-a79a-865e1972b2ce</a>. Formatted as a Frictionless Data package.
Figure 2 in Intraspecific C-value variation and the outcomes in Psidium cattleyanum Sabine essential oil
Figure 2. Chemical structure of the major compounds found in accessions of Psidium cattleyanum.
The structural and functional impacts of invasive <em>Psidium cattleianum</em> in forests on the Island of Hawaiʻi
Open the record for dataset details and reuse information.
FIGURE 8 in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 8. Relationship between the colour of the gall and the status of the gall inducer. Data submitted to chi-square test.
FIGURE 7 in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 7. Nothotrioza myrtoidis (Psylloidea: Triozidae) A–E. Five instar nymphs. F. Adult female. In detail, short cuneate ovipositor (detail on the left), and tubular proctiger and the subglobular subgenital plate with the papameres and aedeagus of the male (detail on the right). G. Parasitized nymph. H–I. Galeopsomya sp. H. Pupae. I. Adult. In detail, gall with the opening of an escape tunnel.
FIGURE 6 in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 6. Life cycle of Nothotrioza myrtoidis (Psylloidea: Triozidae). N1—First instar nymphs; N2—Second instar nymphs; N3—Third instar nymphs; N4—Fourth instar nymphs; N5— Fifth instar nymphs; A—Adults.
FIGURE 5 in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 5. Vegetative phenology of Psidium myrtoides (Myrtaceae) (A), and globoid galls induced by Nothotrioza myrtoidis (Psylloidea: Triozidae) (B) during a 1-year cycle. G&D—Growth and development, I—Induction, LF—Leaf flushing, M—Maturation, S—Senescence
FIGURE 3. Nothotrioza spp. A. Head, dorsal view. B in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 3. Nothotrioza spp. A. Head, dorsal view. B. Apex of metatibia. C. Antennal segment 10. D, G. Male terminalia, in profile. E, H. Paramere, inner surface. F, I. Distal portion of aedeagus. A, B, D–F. N. myrtoidis. C, G–I. N. cattleiani.
FIGURE 2. Nothotrioza spp. A–C. Forewing. D, E. Last instars nymph. A, D. N. cattleiani. B, E. N. myrtoidis. C. N in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 2. Nothotrioza spp. A–C. Forewing. D, E. Last instars nymph. A, D. N. cattleiani. B, E. N. myrtoidis. C. N. tavaresi.
FIGURE 4. Nothotrioza spp. A, B in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 4. Nothotrioza spp. A, B. Female terminalia, in profile. C. Apex of ventral valvula. D. Tarsal apex of last instar nymphs. E, F. Venter of caudal plate of last instar nymphs. A, D, E. N. myrtoidis. B, C, F. N. cattleiani.
FIGURE 1 in Biology and systematics of gall-inducing triozids (Hemiptera: Psylloidea) associated with Psidium spp. (Myrtaceae)
FIGURE 1. Gall morphotypes in Psidium myrtoides O. Berg. (Myrtaceae). A. Bud gall induced by a Diptera: Cecidomyiidae. B–D. Leaf galls induced by Hemiptera. B. Hairy conical. C. Marginal roll. D. Globoid gall induced by Nothotrioza myrtoidis. E. Globoid gall induction on a young leaf. F. Grouped globoid galls on a single leaf. G. Opened senescent gall and closed gall with necrotic surface (arrow).
FIGURE 1 in A new species of Psidium and notes on Neomitranthes from the state of São Paulo, Brazil
FIGURE 1. Psidium riobonito: A. Flowering branch. B. Branch with immature fruits. C. Branch with immature fruits and leaves. D. Side view of the open flower. E. Immature fruits, apical view. F. Flower buds. G. Immature fruits. H. Ripening fruits. A, B, C, D, E, F, and G from the holotype A. Maruyama 8121 (SORO); H from paratype A. Maruyama s.n. (SORO).
FIGURE 2 in A new species of Psidium and notes on Neomitranthes from the state of São Paulo, Brazil
FIGURE 2. Fruits of Neomitranthes capivariensis (A to C) and N. pedicellata (D to F): A. lateral view of a fruit. B. Apical view of a fruit showing deciduousness of the hypanthium. C. Ripe fruit. D. Immature fruits with indumentum. E. Fruit in the ripening process. F. Ripe fruits, divested of indumentum. A, B, C from A. Maruyama 6357 (SORO); D from A. Maruyama 8899 (SORO), and F from A. Maruyama 8619 (SORO).
FIGURE 1 in New botanical discoveries of Myrtaceae from Bolivia and notes on Psidium hians
FIGURE 1. Myrcia proencana Villarroel & Gomes-Bezerra (Wood et al. 27033) A. Habit; B. Leaf, leaf venation pattern, lower surface; C. Flower bud; D. Open flower; E. Immature fruit (Killeen & Grinwood 7822). Illustration: Eliana Calzadilla.
FIGURE 2 in New botanical discoveries of Myrtaceae from Bolivia and notes on Psidium hians
FIGURE 2. Myrcia proencana Villarroel & Gomes-Bezerra. A. Habit; B. Branch with buds and open flowers.
FIGURE 3 in A new cauliflorous species of Psidium (Myrtaceae) from the Atlantic Forest
FIGURE 3. Map of the distribution of Psidium grazielae in the states of Espírito Santo and Rio de Janeiro, Brazil.
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