Herbaceous Plants, Lab 6: Annuals and Tender Perennials

Amaranthus cruentus, red amaranth, Amaranthaceae

red terminal and/or axillary inflorescences, panicle or thyrse, 4-6’ tall upright habit, green to muddy purple leaves

Ceratotheca triloba, African foxglove, Pedaliaceae

bell-like flowers, tomentose leaves, 3-lobed, bluntly serrated, horned seed pods

Cosmos bipinnatus, garden cosmos, Asteraceae

thread-like leaves, ray and disk flowers, weak stems that need support, aggressive self sowing, deer resistant, dried spikey seed pod

Impatiens walleriana, impatiens, Balsaminaceae

ovate to elliptical, crenate margins. Small stalked glands rising up
from the leaf surface, flowers die at first frost

Ipomoea quamoclit ‘Alba’, cypress vine ‘Alba’, Convolvulaceae

thread-like ferny leaves, tubular white flowers, vine habit, sperm-like seed pods

Ipomoea batatas, sweet potato vine, Convolvulaceae

ornamental varieties with heart-shaped to palmate leaves, ground cover habit

Pennisetum purpureum ‘Princess Caroline’, elephant grass ‘Princess Caroline’, Poaceae

purple foliage cultivar, flat linear leaves, hairy at base, prominent midribs

Ricinus communis ‘Impala’, castor bean ‘Impala’, Euphorbiaceae

large palmately lobed burgundy leaves, 6-10’ tall in habit depending on conditions, low drought tolerance, red spikey seed pods

Jacobaea maritima, dusty miller, Asteraceae

pinnately or irregularly lobed, dusty leaves

Thunbergia alata, black-eyed Susan vine, Acanthaceae

deltoid to ovate 1-3” long and wide leaves, dentate margins, hairy texture, winged petioles, climbs by twining around support, 5-petaled orange flowers

Tithonia rotundifolia, Mexican sunflower, Asteraceae

deltoid to ovate leaves, some 3-lobed, roughly hairy, 4-6’ in height, upright habit

Vigna caracalla, corkscrew vine, Fabaceae

pinnately trifoliate, climbs by twining around support, 3-5” leaves, 6-7” bean-like pods