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Key to AgaveView taxon page for Agave
(For a list of species in Agave, use the above link.) Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots. 1. Inflorescence raceme-like; filaments white, ± from base of perianth tube; leaf  Organ arising from a stem, generally composed of a stalk (petiole) and a flat, expanded, green, photosynthetic area (blade); distinguished from a leaflet by the presence in its axil of a bud, branch, thorn, or flower; sometimes with lateral, basal appendages (stipules); either simple (toothed, lobed, or dissected but not divided into leaflets) or compound (divided into leaflets). tip-spine 4–20 cm ..... A. utahensis 1' Inflorescence panicle-like; filaments yellow, from middle of perianth tube or above; leaf tip-spine 2–4 cm 3. Leaf narrow-ovate; perianth 6–10 cm, lobes  1. A major expansion or bulge, such as on the margin of a leaf, sepal, or petal, or on the surface of an ovary. 2. The free tips of otherwise fused structures, such as sepals or petals; larger than teeth. 17–40 mm; fruit 5.5–7 cm; s SCo (sw San Diego Co.) ..... A. shawii var. shawii 3' Leaf lance-linear to lanceolate  Narrowly elongate, widest in the basal half, often tapered to an acute tip. ; perianth 3–6 cm, lobes 13–20 mm; fruit 3–6 cm; DMtns (San Bernardino Co.), DSon ..... A. deserti 4. Perianth tube 3–5 mm, bell-shaped; filaments ± from top of perianth tube; rosettes  A radiating cluster of leaves generally at or near ground level. many; DSon ..... var. deserti 4' Perianth tube (3)5–10 mm, funnel-shaped  Widening from the base more or less gradually through the throat into an ascending, spreading, or recurved limb; often applied to a fused calyx or corolla. ; filaments from above middle of perianth tube; rosette  A radiating cluster of leaves generally at or near ground level. 1; DMtns (San Bernardino Co.) ..... var. simplex
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