South America

APIACEAE, the umbellifer family.

Azorella prolifera, a xerophytic carrot of the high and dry central Andes:

ASTERACEAE

Chaetanthera spathulifolia, of the high and dry central Andes:

Espeletia sp. from the Colombian Andes:

Nassauvia lagascae, an exceedingly strange composite found near the high camps of Cerro Aconcagua:

Senecio subdiscoideus, a rayless groundsel of the high and dry Central Andes:

BRASSICACEAE

Menonvillea cuneata, endemic to alpine rock slopes of the central Andes:

CALCEOLARIACEAE

Calceolaria filicaulis, of the high and dry central Andes:

CALYCERACEAE

Calycera herbacea, a less approachable constituent of the high and dry central Andes:

FABACEAE, the legume family.

Astragalus arnottianus, an alpine vetch of the central Andes:

Lupinus sp., one of the giant lupines of the high Andes, this from Ecuador:

HYDROPHYLLACEAE

Phacelia brachyantha, inhabiting the high valleys near Cerro Aconcagua:

HYPERICACEAE

Hypericum laricifolium, from the Colombian Andes:

LOASACEAE

Caiophora coronata of the high central Andes:

MONTIACEAE

Cistanthe coronata, of lowlands of the Atacama desert:

OXALIDACEAE

Oxalis erythrorhiza, found in the high and dry central Andes:

PASSIFLORACEAE

Malesherbia multiflora, of the lowland Atacama desert:

PHRYMACEAE

Erythranthe lutea, closely tied to water sources in the high and dry central Andes:

TROPAEOLACEAE

Tropaeolum polyphyllum of the high and dry central Andes:

VERBENACEAE, the verbena family.

Junellia sp. of the high and dry central Andes: