Calendula tripterocarpa Ruprecht (1856: 231)
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https://doi.org/ 10.11646/phytotaxa.605.1.1 |
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https://treatment.plazi.org/id/E82AFC0A-1573-CA52-66ED-FEB08210FB04 |
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Plazi |
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Calendula tripterocarpa Ruprecht (1856: 231) |
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12. Calendula tripterocarpa Ruprecht (1856: 231) View in CoL View at ENA ; Fennane & Ibn Tattou (2005: 29); Le Floc’h & Boulos (2008: 95); Dobignard & Chatelain (2011: 189); Gonçalves et al. (2014: 270); Heyn et al. (1974: 178); Valdés et al. (2002: 671). Calendula aegyptiaca subsp. tripterocarpa (Rupr.) Lanza (1919: 110) . Type:— IRAQ. Mesopotamia: ‘Ad ripas Tigridis raram’, Noë 515, 407 (lectotype LE!, designated by Heyn et al. (1974: 178)).
Description:––Annual herbs. Stems (2) 5.6–15.8 (30) cm long, decumbent to diffuse, generally branched, with glandular hairs generally predominating over non-glandular hairs. Basal leaves (1) 2–3.2 (9.5) × (0.2) 0.3–0.5 (0.8) cm, (0.3) 0.3–0.4 (0.5) mm thick, linear-oblong, acute, margin repand-dentate, rarely sub-entire, base attenuated in a ± longer petiole, the middle and upper cauline leaves, are smaller, oblanceolate to lanceolate, usually auriculate, both with glandular hairs generally predominating over non-glandular hairs. Capitula solitary, (1.1) 1.2–1.4 (1.6) cm in diameter. Outer achenes trialate (5.7) 6.3–7.9 (9.5) × (4.5) 5.5–7.1 (8.5) mm, with wings entire to inconspicuously dentate, flat or muricated in the back, without dorsal spines; middle achenes cymbiform (4.2) 4.5–6.1 (6.7) × (3.5) 4.6–5.7 (6.7) mm, with ventral wings sub-equal or slightly surpassing the laterals; inner achenes vermiculate-exalate (2.2) 2.5–3.3 (4.2) × (0.7) 1–1.2 mm, circular or falcate; with small, apical and/or basal, ventral teeth. Figure 16 View FIGURE 16 .
Habitat and Distribution:— In grasslands, semi-desert to desert regions, sand, sandstone and gravel, rarely in ruderal/wasteland sites, at elevations of 0–450 m. In the south of Europe from Almeria to Murcia and Alicante ( Spain) to the south of France (occasional) and in all the north of Africa ( Morocco, Algeria and Tunisia) to the Middle East (see Gonçalves et al. (2018: 270)). Figure 15 View FIGURE 15 .
Conservation status:—Least Concern(LC).This is a widespread taxon in sub-arid areas of the south Mediterranean region.
Chromosome number:—2n = 30.
Genome size:—3.52 ± 0.12 pg.
No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.
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