rounded, kidney shaped discs, 0.5-1.5 mm long; ridged margins; lanceolate tubercles (warty bumps) in concentric rows
pointy, brown colored
~9-25 shallow ridges; central cavity large ~4/5 of total stem diameter; other smaller cavities present in stem
up to 1 cm long; sharply tipped
obovate-kidney shaped, 0.7-1.2 mm long
wedge shaped, < 1 mm; striate surface
rounded, 5 sectioned capsule, up to 6 mm wide; indented top; style persistent from top of capsule
adaxial (top) side shown; ovate to narrowly triangular, 2-10 mm long, 1-3 mm wide; bottom of leaf much paler than top; ti...
ovate, 1-1.5 mm long; variable color; prominent hilum (attachment scar)
elliptic-ovate in outline compressed triangular in cross section, 2-3 mm long; very slightly arched inward; crosswise wri...
oblong-compressed; 3-8 mm long; dry, grayish outer coating and black underneath; white, oblong hilum bordered by black
rounded, kidney shaped, 0.5-1.5 mm long; dark tipped, cone shaped tubercles (warty bumps) in concentric rows, increasing ...
subglobose, 1-1.2 mm; clear-yellow elaiosome (lipid rich deposit used to attract insect dispersal) attached to seed
compressed kidney shaped, 0.5- 1 mm; rounded, irregular shaped tubercles (warty bumps) concentric from hilum (seed base)
abaxial (bottom) side of leaf shown; lanceolate, 3-8 cm long, 1-4 cm wide; margins coarsely, irregularly toothed
oval-orbicular, ~1 mm long; surface is hoarfrost patterned; margins covered in large, rounded tubercles (warty bumps)
linear, 1.5-2 cm long; 4 angled in cross-section; stiff, sharp tipped
flattened-ovate, 1.5-2 mm long; marginal seam that is lighter in color than seed body; short beaked
flattened oval, 4-5 mm long, 1-2 mm wide; lemma with conspicous bristles
ovate, minute, 0.5-0.8 mm; covered in white hairs; conspicuous white-light yellow base
subfossil specimen; note remnant of wings, persistent stigmas, characteristic size and shape (elliptic, 1.5-3 mm)
adaxial side of leaf (top of leaf) pictured; thin, lanceolate to lance-ovate, 5-10 x 1-3.5 cm; 3-6 times as long as wide,...
abaxial side (bottom of leaf) pictured; oblong-lanceolate, 2-4 cm long (mature trees) or 1-2 cm long (young trees); weakl...
pit globose, 7-9 mm in diameter; low ridge along one side (visible on left side of top right pit in image); inner surface...
circular-lenticular, 1-2 mm wide; more spherical relative to other Chenopodium spp.; rounded margins; note notch in margi...