Difference between revisions of "Peritoma jonesii"
Novon 17: 449. 2007.
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|elevation=300-1200 m | |elevation=300-1200 m | ||
|distribution=Ariz.;Calif.;Mexico (Baja California). | |distribution=Ariz.;Calif.;Mexico (Baja California). | ||
| − | |discussion=<p>Often treated as a variety of Peritoma lutea, P. jonesii grows at lower elevations, has a more southerly (though overlapping) range (T. H. Kearney and R. H. Peebles 1960), and differs in morphological features. Most notable are its larger, showier flowers and longer capsules.</p> | + | |discussion=<p>Often treated as a variety of <i>Peritoma lutea</i>, <i>P. jonesii</i> grows at lower elevations, has a more southerly (though overlapping) range (T. H. Kearney and R. H. Peebles 1960), and differs in morphological features. Most notable are its larger, showier flowers and longer capsules.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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|publication year=2007 | |publication year=2007 | ||
|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/8f726806613d60c220dc4493de13607dd3150896/coarse_grained_fna_xml/V7/V7_276.xml |
|genus=Peritoma | |genus=Peritoma | ||
|species=Peritoma jonesii | |species=Peritoma jonesii | ||
Revision as of 18:56, 18 September 2019
Annuals, 50–100(–200) cm. Stems sparsely branched distally; glabrous or glabrate. Leaves: petiole 1.5–4.5 cm; leaflets 5, (proximal ones sometimes early deciduous), blade linear to elliptic, 1.5–4(–6) × 0.4–1.3 cm, margins serrate, apex long-acuminate, surfaces glabrous. Racemes 1–3 cm (6–40 cm in fruit); bracts unifoliate, obovate to spatulate, 2–15 mm. Pedicels 7–15 mm. Flowers: sepals persistent, connate ca. 1/2 of length, yellow, lanceolate, 1.6–2.6 × 0.8–1.2 mm, margins denticulate, glabrous; petals golden yellow, oblong to ovate, 10–13 × 2–4 mm; stamens yellow, 20–30mm; anthers 1.9–2.6 mm; gynophore 15–25 mm in fruit; ovary 3–6 mm; style 0.5–0.8 mm. Capsules not inflated, 40–60 × 2–5 mm, striate. Seeds 15–30, gray to black, triangular (sharply angled), 3–4 × 2.5–3 mm, rugose.
Phenology: Flowering summer.
Habitat: Dry sandy flats, desert scrub, roadsides
Elevation: 300-1200 m
Distribution
Ariz., Calif., Mexico (Baja California).
Discussion
Often treated as a variety of Peritoma lutea, P. jonesii grows at lower elevations, has a more southerly (though overlapping) range (T. H. Kearney and R. H. Peebles 1960), and differs in morphological features. Most notable are its larger, showier flowers and longer capsules.
Selected References
None.