(ind) Seaside heliotrope, kipukai, lau pofopo(ohina (Niihau), nena, po‘opo(o- hina (Niihau)
Glabrous and usually glaucous perennial herbs, from deep rhizomes; stems prostrate or decumbent, succulent, 1-4.5 dm long. Leaves thick and juicy, oblanceolate, 2-4 (-5) cm long, 0.3-0.6(-0.9) cm wide, apex obtuse, gradually tapering to base. Flowers in terminal and lateral, single or paired, bractless, scorpioid cymes 2-5(-10) cm long, peduncles 0.5-2(-5) cm long; calyx divided almost to base, the lobes subequal, fleshy, lanceolate or oblong, 1-2 mm long; corolla white with a greenish or yellowish center, funnelform, 1.2-4 mm long. Nutlets 1-seeded, ovoid, 1.5-2 mm long, smooth or faintly rugulose on the back, covered with a thick exocarp that functions as a float organ for water dispersal. [2n = 24, 26*, 28, 52.] Occurring in marshy places, alkaline flats, and sea coasts from southern United States to South America, the West Indies, Pacific islands, and Australia; in Hawai‘i occurring in wet or dry sites in coastal areas on Laysan, French Frigate Shoals, Nihoa, and all of the main islands. —Plate 42.