Key to Aconogonon

View taxon page for Aconogonon

(For a list of species in Aconogonon, use the above link.)

Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.

1. Stem (50)70–150(200) cm; inflorescence generally ± terminal, panicle-like ..... A. phytolaccifolium

1' Stem 10–35(50) cm; inflorescence 

axillary 

Pertaining to or within an axil, especially a leaf axil.

, raceme-like

2. Petiole 0.2–0.6(10) mm; 

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).

 

blade 

Expanded portion of a leaf, petal, or other structure, generally flat but sometimes rolled, cylindric, wavy, or cupped.

± glabrous to scabrous, yellow-green, tip ± 

acute 

Having a short-tapered, sharp tip, the sides convex or straight and converging at less than a right angle.

..... A. davisiae

2' Petiole 4–12(15) mm; leaf blade ± glabrous to soft-hairy, dark-green becoming ± red, tip ± 

obtuse 

Having a short-tapered, blunt tip or base, the sides convex or straight and converging at more than a right angle.

..... A. newberryi

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