Lyonia heptamera Urb.

Xolisma heptamera (Urban) Small
Lyonia heptamera Urban, Symb. Ant. I: 376. 1899.
A much-branched shrub 2 m. tall or less, with brown-scurfy stout twigs; leaves not
crowded, the blades very thick-leathery, broadly ovate, 3.5-6 cm, long, obtuse or rounded
at the apex, shining above, coarsely reticulate and more or less brown-scurfy beneath, with
the stout midrib and lateral veins prominent, stout-petioled; racemes 3-10 cm. long, the
peduncle and pedicels red-tomentulose ; calyx-lobes 6 or 7, deltoid or ovatedeltoid, 3-3.5 mm.
long, acute; corolla pale, densely scurfy, conic, 9-12 mm. long, the lobes ovate, much shorter
than the tube; filaments about 8 mm. long, dilated at the base; anthers oblong, about 3 mm.
long; capsules spheroidal, 5-6 mm. wide.
Type locality : Pico del Valle, Santo Domingo. Distribution: Santo Domingo.

Xolisma dictyoneura (Urban) Small
Lyonia dictyoneura Urban, Symb. Ant. 7: 533. 1913.
A much-branched shrub with brownor pale-scurfy stoutish twigs; leaves bright-green or yellowish-green, the blades 3-5cm. long, acute or obtuse at the apex, shining above, prominently reticulate and somewhat scurfy beneath, with the midrib and lateral veins very prominent, stout-petioled; racemes 1-2.5 cm. long, the peduncle and pedicels redpubescent; calyx-lobes 5 or 6, broadly ovate to deltoid-ovate, 2.5-3 mm. long, acute or abruptly short-acuminate; corolla white, scurfy, broadly tu"ceolate, 6-7 mm. long, the lobes triangular-lanceolate, much shorter than the tube; filaments about 4.5 mm. long; anthers about 2.3 mm. long; capsules not seen.
Type locality: Culo de Maco, Azua, Santo Domingo. Distribution: Known only from the type locality.

Lyonia heptamera là một loài thực vật có hoa trong họ Thạch nam. Loài này được Urb. mô tả khoa học đầu tiên năm 1899.