Difference between revisions of "Agave toumeyana"
Contr. U.S. Natl. Herb. 23: 140. 1920.
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|place=23: 140. 1920 | |place=23: 140. 1920 | ||
|year=1920 | |year=1920 | ||
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| + | |special_status={{Treatment/ID/Special_status | ||
| + | |code=F | ||
| + | |label=Illustrated | ||
| + | }}{{Treatment/ID/Special_status | ||
| + | |code=E | ||
| + | |label=Endemic | ||
}} | }} | ||
|basionyms= | |basionyms= | ||
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|distribution=Ariz. | |distribution=Ariz. | ||
|discussion=<p>Varieties 2 (2 in the flora).</p><!-- | |discussion=<p>Varieties 2 (2 in the flora).</p><!-- | ||
| − | --><p>Both varieties hybridize with Agave chrysantha.</p> | + | --><p>Both varieties hybridize with <i>Agave chrysantha</i>.</p> |
|tables= | |tables= | ||
|references= | |references= | ||
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-->{{#Taxon: | -->{{#Taxon: | ||
name=Agave toumeyana | name=Agave toumeyana | ||
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|authority=Trelease | |authority=Trelease | ||
|rank=species | |rank=species | ||
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|publication title=Contr. U.S. Natl. Herb. | |publication title=Contr. U.S. Natl. Herb. | ||
|publication year=1920 | |publication year=1920 | ||
| − | |special status= | + | |special status=Illustrated;Endemic |
| − | |source xml=https:// | + | |source xml=https://bitbucket.org/aafc-mbb/fna-data-curation/src/2e0870ddd59836b60bcf96646a41e87ea5a5943a/coarse_grained_fna_xml/V26/V26_918.xml |
|genus=Agave | |genus=Agave | ||
|species=Agave toumeyana | |species=Agave toumeyana | ||
Latest revision as of 21:18, 5 November 2020
Plants acaulescent, freely suckering; rosettes densely cespitose, (0.3–)1–5 × 1.5–6 dm. Leaves ascending to erect, (3–)9–46 × 0.5–2 cm; blade light green to yellowish green or dark green with white bud-prints on both surfaces, linear to linear-lanceolate, firm, adaxially plane toward apex, abaxially convex toward base; margins straight, infrequently denticulate, filiferous, fibers conspicuous, white, curled, infrequently sparse or absent, teeth sparse or absent, in proximal 1/2 of blade or near base; apex acute to long-acuminate, spine brown to grayish, subulate to filiform, 0.6–2 cm. Scape 1.5–3 m. Inflorescences spicate, laxly to rather densely flowered on distal 1/3; bracts caducous, linear-triangular, 1–3.5 cm; peduncle 5 mm or shorter. Flowers 1 or 2, slightly recurved, 1.6–2.8 cm; perianth greenish white, tube campanulate, 3–4.5 × 6–10 mm, limb lobes erect to incurved, subequal, 6.5–10 mm; stamens slightly exserted; filaments inserted 1–3.5 mm above base of perianth tube, erect, white, 1.1–1.7 cm; anthers pale yellow, 7–16 mm; ovary 0.8–1.6 cm, neck slightly constricted, 3–7 mm. Capsules sessile, oblong, 0.9–1.5 cm, apex short-beaked. Seeds 2.5–3 mm.
Discussion
Varieties 2 (2 in the flora).
Both varieties hybridize with Agave chrysantha.
Selected References
None.
Key
| 1 | Leaves 40–70 per mature rosette, 19–46 × 1.2–2 cm, margins dentate, or denticulate only near base. | Agave toumeyana var. toumeyana |
| 1 | Leaves 100–200 per mature rosette, (3–)9–20(–27) × 0.5–1.2 cm, margins denticulate below mid leaf. | Agave toumeyana var. bella |