 | perennial; NOT annual |
 | plants not clumped, or if so loosely,
forming sessile, leafy rosettes or fleshy turions; NOT [plants clumped
or caespitose, forming short, leafy, epigaeous stolons] |
 | plants lacking stolons; NOT [with basal
thread-like, remotely leafed stolons, terminating in compact, fleshy
turions] |
 | plants forming rosettes or large,
hypogaeous turions; NOT [plants lacking rosettes, only compact
hypogaeous turions present] |
 | plants 0.3-19.0 dm high; NOT 0.2-6.0 dm
high |
 | stem-base erect; NOT [decumbent to
ascending] |
 | bark NOT shreddy |
 | stem with hairy, elevated lines,
decurrent from the leaf bases |
 | leaves opposite or verticillate, at
least below; NOT alternate |
 | leaves lanceolate to oblong; NOT
narrowly lanceolate, NOT linear, NOT [ovate to elliptic] |
 | leaves toothed |
 | leaves NOT rolled at margins |
 | cauline leaves either linear or entire,
NOT both (FOA) |
 | gemmae absent; NOT [often present in
the upper leaf-axils] |
 | inflorescence predominantly glandular
mixed with strigillose hairs; NOT [strigillose, eglandular], NOT
[white-canescent, occasionally with a few glandular hairs] |
 | flowers actinomorphic; NOT zygomorphic |
 | flowers small, less than 12 mm across |
 | hypanthium present |
 | petals white, pink or rose-purple; NOT
yellow, NOT cream |
 | style NOT deflexed |
 | stigma entire, cylindric, clavate or
capitate; NOT distinctly 4-lobed |
 | seeds narrowly obovoid; NOT broadly
obovoid |
 | seeds 0.8-1.6 (1.9) mm long; NOT
1.1-1.6 (1.8) mm long |
 | seeds 0.3-0.8 mm wide; NOT 0.8-1.2 mm
wide |
 | seeds longitudinally striate with
hyaline crests or ridges but lacking distinct papillae; NOT distinctly
papillose |
 | coma white or dingy; NOT reddish |
 | coma readily detached; NOT persistent |