Difference between revisions of "Chondrilla"
Sp. Pl. 2: 796. 1753.
Gen. Pl. ed. 5, 348. 1754.
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|discussion=<p>Species ca. 25 (1 in the flora).</p> | |discussion=<p>Species ca. 25 (1 in the flora).</p> | ||
|tables= | |tables= | ||
| − | |references= | + | |references={{Treatment/Reference |
| + | |id=heap1993a | ||
| + | |text=Heap, J. W. 1993. Control of rush skeletonweed (Chondrilla juncea) with herbicides. Weed Technol. 7: 954–959. | ||
| + | }} | ||
}}<!-- | }}<!-- | ||
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|distribution=Eurasia. | |distribution=Eurasia. | ||
|introduced=true | |introduced=true | ||
| − | |reference= | + | |reference=heap1993a |
|publication title=Sp. Pl.;Gen. Pl. ed. | |publication title=Sp. Pl.;Gen. Pl. ed. | ||
|publication year=1753;1754 | |publication year=1753;1754 | ||
|special status= | |special status= | ||
| − | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/ | + | |source xml=https://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse_grained_fna_xml/V19-20-21/V19_333.xml |
|tribe=Asteraceae tribe Cichorieae | |tribe=Asteraceae tribe Cichorieae | ||
|genus=Chondrilla | |genus=Chondrilla | ||
Revision as of 20:16, 16 December 2019
Perennials, 40–150 cm; taprooted. Stems 1–6, erect or ascending, much branched, basally setose, distally glabrous. Leaves basal and cauline; petiolate (basal and proximal cauline, petioles winged); blades (at least basal) oblanceolate, pinnatifid (often runcinate) or coarsely and irregularly toothed (apices acute; distal cauline reduced, entire). Heads (terminal and axillary) usually borne singly (sometimes clustered along stems and branches). Peduncles (nearly 0) not inflated, not bracteate. Calyculi of 3–4, minute bractlets. Involucres cylindric, 2.5–5 mm diam. Phyllaries 5–9 in ± 1 series, linear-lanceolate, equal. Receptacles pitted, glabrous, epaleate. Florets 7–15; corollas (soon withering) yellow. Cypselae tan to black, nearly cylindric, beaks slender or stout, ribs 5+ (with alternating grooves), faces glabrous; pappi persistent (on expanded discs at tips of beaks), of 40–50+, distinct, white, smooth bristles in 1 series. x = 5.
Discussion
Species ca. 25 (1 in the flora).