FL, Keys, 20061229
Buttonwood, flowers. 

Just pix of a few random things around Buttonwood.

Ipomoea alba [] 

Between N and O bldgs. 
 LF cordate, unlobed
 FL huge, white

Close-up of fl, at 30x. Close-up of plant in fl. Plant in fl. 

Oldenlandia corymbosa [] 

In crack in sidewalk at clubhouse leading to dock. 
 GEN creeping herb
 ST square, ribbed
 LF opp, stips joined into semi-sheath around stem, narr lin-ellip, acute, glab, 15x2+1mm
 INFL sp cymes in axils, pedicels 3-5mm
 SEP joined at base, 4, 1x1mm, delt
 PET white, join at base, ~1mm long, fading bluish, fringe of clear trich around mouth inside
 STAM 4, alt petals, att around hyp, v short, hidden inside fringe of hairs
 OV 1, inf, 2 chamb, many ovules
 STYLE 1, v short, hidden, split at tip into 2 forks
 FR ~2mm globose, glab, v sl 2-lobed and lat comp
 SEED many per chamb, min, min pap, weakly trigonous
It keys unquestionably to Rubiaceae.  Inside that family it keys unquestionably to either Oldenlandia or Stenaria, thence to O. corymbosa/O. salzmannii and S. nigricans floridana.  The latter is not supposed to have trigonous seeds, but the former doesn't belong here.

Close-up of stem end. Close-up of old plant. Old reclining plant. Prostrate plant. Nice shot of lvs, stips, infls, stem end. Close-up of stem end. Cluster of young erect plants. 

Chamaesyce blodgettii [] 

Healthy cluster of plants. Infls and stems. 

Euphorbia graminea [] 

Close-up of nice infl in full fl. 

Indigofera spicata [] 

Close-up of leaf, showing petiolular glands. 

Passiflora multiflora [] 

Close-up of leaf base, showing petiolular glands. 

Passiflora suberosa [] 

Close-up of infl. Infl. 

Tradescantia spathacea [] 

Close-up of fl. Infl. 

Tradescantia zebrina [] 

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