P. tomentosum is a vigorous, evergreen perennial with heart-shaped, velvety, peppermint-scented, green leaves, on scrambling stems. Produces clusters, of 4-15 butterfly-shaped white flowers, 1/...

P. triste is a tuberous-rooted herbaceous perennial with trailing, green leaves. Bears clusters of 6-20 star-shaped, freesia-scented, night-blooming flowers in yellow, green, or pink, either i...

P. inquinans is an erect, evergreen perennial with soft, woody stems and rounded green leaves. Scarlet flowers, bloom in clusters, 3 1/2 inches across, from spring to summer; they stain finger...

P. odoratissimum is a bushy, evergreen perennial with rounded, light green leaves, with an apple-like scent. Bears trailing clusters, of 3-10 star-shaped white flowers. This plant is commonly ...

P. echinatum is a shrubby, deciduous, perennial succulent with a swollen stem bearing a few gray branches, covered with spiny stipules. Heart-shaped, gray-green leaves, are hairy above, and bel...

P. grossularioides is a weakly upright, evergreen perennial with red stems and rounded coconut scented, green leaves. In spring and summer, blooms in clusters, of star-shaped, deep magenta flow...

Bushy perennial with rounded, bright green, velvety leaves. Single or double flowers in rounded clusters are produced in many colors during warm months. Excellent both as a container plant or i...

P. crispum is a shrubby, evergreen perennial with rounded, crinkled, lemon-scented green foliage. Single, pale mauve flowers, are borne in clusters, from summer to fall. Native to South Africa....

P. cucullatum is an evergreen perennial with cup-shaped, fuzzy green leaves, to 3 inches long. Bears many trumpet-shaped, light to deep mauve or white flowers, from spring to summer, in cluster...

Erect, evergreen perennial with succulent stems bearing fleshy, gray-green leaves, sometimes with red margins. Bears clusters of star-shaped, light salmon-pink flowers, up to 1 inch across, wit...