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29 results for “Ctenitis”
Herbarium specimen image of Ctenitis propinqua (J.Sm. ex Presl) Copel., part of the collection of National Museum of Natural History, Paris
Part of a training dataset of scanned herbarium specimens. The data paper and a summary landing page will be published on Zenodo as it gets published.<br><br>Content of this deposition:<br><br>- A JSON-LD datafile listing the label data associated with this herbarium specimen. The Darwin and Dublin Core data standards are used for most values.<br>- A JPEG image file of the scanned herbarium sheet.
FIGURE 20 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 20. Distribution of four species of Ctenitis in South America. A: C. fenestralis. B: C. flexuosa. C: C. glandulosa. D: C. grisebachii.
FIGURE 17 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 17. Some morphological characters of Ctenitis from South America. A–B: Ctenitis equestris (Breedlove 33659, CAS). A: abaxial surface of portion of pinnules and pinna rachis (scale bar = 1 cm). B: abaxial costa scale. C–G: C. eriocaulis (Pietrobom 5007, BHCB). C: abaxial surface of a portion of rachis and two basal segments of a medial pinna. D: adaxial surface of a portion of a segment. E: abaxial surface of a portion of a pinna. F: sorus with indusium. G: abaxial costa scale. Scale bars in A and C = 1cm; B, D, E, G = 1mm; F = 0.5 mm.
FIGURE 21 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 21. Some morphological characters of Ctenitis from South America. A–B: Ctenitis laetevirens (Schimitt 561, BHCB). A: abaxial surface of portion of pinna. B: abaxial costa scale. C–F: Ctenitis microchlaena (unknown s.n., UC). C: abaxial surface of a portion of rachis and two basal basiscopic segments of a medial pinna. D: abaxial costa scale. E: abaxial surface of a pinna, showing indument. F: sorus with indusium. Scale bars A, B, D e E = 1 mm; C = 1 cm; F = 0.5 mm
FIGURE 12 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 12. Some morphological characters of Ctenitis from South America. A–B: C. abyssi (Sehnem 6315, PACA). A: detail of abaxial surface of a medial pinna, showing indument B: abaxial costa scale (scale bar = 1 mm). C–D: C. ampla (Salino 3257, BHCB). C: abaxial surface of a portion of pinna rachis and two pinnules of medial pinnae. D: abaxial costa scale. E–J: C. anniesii (Gasper 851, BHCB). E: abaxial surface of a portion of rachis and a medial pinna. F: sorus with indusium. G: detail of abaxial surface of a medial pinna, showing indument. H: petiole scale. I: abaxial costa scale. J: adaxial costa scale. Scale bars in A, B, D, G–J = 1 mm; C, E, = 1 cm; F = 0.5 mm.
FIGURE 9 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 9. Spores of Ctenitis from South America. A: C. ampla (Salino 3257, BHCB). B: C. anniesii (Gasper 851, BHCB). C: C. aspidioides (Salino 8291, BHCB). D: C. bigarellae (Schwartsburd 565, BHCB, from Viveros & Salino 2015). E: C. christensenii (Salino 13408, BHCB, from Viveros & Salino 2015). F: C. deflexa (Salino 2383, BHCB). G: C. distans var. distans (Fontana 4996, BHCB). H: C. distans var. isabellina (Lombardi 6830, BHCB). I: C. equestris var. equestris (Copeland 20, UC). J: C. eriocaulis (Pietrobom 5007, BHCB). K: C. falciculata (Sampaio s.n. R, from Viveros & Salino 2015). L: C. fenestralis (Spannagel 174, NY). Scale bars = 10 µm.
FIGURE 24 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 24. Some morphological characters of Ctenitis from South America. A–C: Ctenitis refulgens var. refulgens (Salino 15242, BHCB). A: abaxial surface of a portion of rachis and two basal segments of a medial pinna. B: abaxial surface of rachis, costa and segment, showing indument. C: abaxial costa scale. D–E: C. refulgens var. peruviana (Tuomisto, 13392 UC). D: abaxial surface of a portion of medial pinna, showing indument. E: abaxial costa scale. Scale bars in A = 1 cm, B–E = 1mm.
FIGURE 4 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 4. Lamina apices of Ctenitis from South America. A: apex conform, with two lateral pinnae, from C. aspidioides (Salino 4275, BHCB). B: apex subconform, with two lateral pinnae, from C. aspidioides (Salino 10228, BHCB). C: apex confluent, with two lateral pinnae, from C. refulgens (Fernandes 218, BHCB). Scale bars = 3 cm.
FIGURE 3 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 3. Lamina dissection of Ctenitis from South America. A: lamina 1-pinnate-pinnatifid to 1-pinnate-pinnatisect (basally), rachis more or less straight, from C. christensenii (Salino 13408, BHCB, from Viveros & Salino 2015). B: lamina 2-pinnate-pinnatifid, rachis flexuous, from C. flexuosa (Luederwaldt 1890, UC). C: medial portion of a lamina 2-pinnate-pinnatifid, rachis more or less straight, from C. ampla (Humboldt s.n., B). Scale bars = 4 cm.
FIGURE 7 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 7. The four kinds of trichomes of Ctenitis from South America. A: catenate. B: filiform. C: bacilliform. D: glandular. All from Ctenitis bigarellae (Schwartsburd 565, BHCB). Scale bar = 0.1 mm.
FIGURE 1 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 1. Stem of Ctenitis from South America. A: stem erect, from C. microchlaena (Rivero 720, UC). B: stem ascending, from C. aspidioides (Salino 4275, BHCB). C: stem short-creeping, from C. submarginalis var. tenuifolia (Salino 2215, BHCB). Scale bars = 3 cm.
FIGURE 14 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 14. Distribution of four species of Ctenitis in South America. A: C. abyssi. B: C. ampla. C: C. anniesii. D: C. aspidioides.
FIGURE 8 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 8. Some microscopic characters of the sori of Ctenitis from South America. A: sporangia without bacilliform trichomes on capsules. B: detail showing three rows of cells in the sporangium stalk. C–D: sporangia with bacilliform trichomes on capsules. E: sori with proscales among the sporangia. F: sori with abortive sporangia. A–B from Ctenitis submarginalis var. tenuifolia (Pietrobom 5015, BHCB), C–D from C. ampla (Stewart 960, MO), E from C. fenestralis (Salino 7285, BHCB), F from C. laetevirens (Schimitt 561, BHCB). Scale bars A, C–F= 100 µm, B = 20 µm.
FIGURE 5 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 5. Pinna incision, relative to the distance between the segment apex and costa, of Ctenitis from South America. A: pinna incised ca. 1/4, from C. refulgens var. peruviana (Tuomisto 13392, UC). B: pinna incised ca. 1/2, from C. refulgens var. refulgens (Fernandes 218, BHCB). C: pinna incised ca. 2/3, from C. aspidioides (Pohl s.n., PRC). D: pinna incised more than 3/4, from C. anniesii (Jürgens 158, UC). E: three lateral pinnae, the top one incised mainly more than 3/4, but basally pinnatisect, the one below mainly pinnatisect, but basally pinnate, from C. megalastriformis (Tuomisto 13393, UC). All represent medial pinnae. Scale bars = 2 cm.
FIGURE 27 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 27. Distribution of two varieties of C. submarginalis. A: C. submarginalis var. submarginalis. B: C. submarginalis var. tenuifolia.
FIGURE 19 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 19. Some morphological characters of Ctenitis from South America. A–C: Ctenitis fenestralis (Salino 7285, BHCB). A: abaxial surface of a portion of a pinna. B: abaxial costa scale. C: adaxial costa scale. D–E: C. flexuosa (Luederwaldt 1890, UC). D: abaxial surface of a portion of pinnule. E: abaxial costa scale. F–G: C. grisebachii (Grayum 3707, MO). F: abaxial surface of a portion of pinnule. Scale bars = 1 mm.
FIGURE 23 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 23. Distribution of four species of Ctenitis in South America. A: C. laetevirens. B: C. megalastriformis. C: C. microchlaena. D: C. nervata.
FIGURE 2 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 2. Transversal sections of petiole bases of four Ctenitis species from South America. A: C. nigrovenia, showing three vascular bundles (Salino 15212, BHCB). B: C. christensenii, showing four vascular bundles (Salino 13408, BHCB). C: C. laetevirens, showing five vascular bundles (Schimitt 561, BHCB). D: C. nervata, showing six vascular bundles (Almeida 1682, BHCB). Scale bars = 1 mm.
FIGURE 22 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 22. Some morphological characters of Ctenitis from South America. A–B: C. nervata (Almeida 1682, BHCB). A: abaxial surface of a portion of rachis and two basal segments of a medial pinna. B: abaxial costa scale. C–D: C. nigrovenia (Salino 15212, BHCB). C: abaxial surface of a pinna, showing indument. D: abaxial costa scale. Scale bars in A = 1 cm; B = 0.5 mm; C, D = 1 mm.
FIGURE 16 in A taxonomic monograph of the fern genus Ctenitis (Dryopteridaceae) in South America
FIGURE 16. Distribution of four taxa of Ctenitis in South America. A: C. bigarellae. B: C. christensenii. C: C. deflexa. D: C. distans var. distans.
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