Key to Symphytum
View taxon page for Symphytum
(For a list of species in Symphytum, use the above link.)
Jepson Manual glossary definitions can be seen by moving your cursor over words underlined with dots.
1. Stem internodes 
Segment of an axis (generally a stem) between successive positions (nodes) from which one or more structures (especially leaves, buds, branches, or flowers) arise.
winged;
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).
base
decurrent 
Pertaining to a wing-like or ridge-like extension basal to the apparent or actual point of attachment, particularly a leaf base that appears to continue onto the stem.
;
nutlets black, shiny, smooth
..... [S. officinale] 1' Stem internodes not winged; leaf base generally not decurrent; nutlets brown, dull, fine-grainy
..... S. ×uplandicum
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Citation for the whole project: Jepson Flora Project (eds.) . Jepson eFlora, https://ucjeps.berkeley.edu/eflora/ [accessed on ]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on .
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