Flora of North America species comparison

decumbent, becoming ascendent at tips.

densely crowded on stems;

petiole very short, leaving small pegs on stem when leaves fall off;

blade linear-oblong to subulate, margins entire or erose, surfaces glabrous.

persistent, alternate;

petiole present;

blade plane, abaxial groove present.

terminal, solitary flowers;

perulae absent;

bracts much shorter than sepals.

nodding in flower, erect in fruit, slender;

bracteoles absent.

sepals distinct or connate basally, ovate to oblong-ovate;

petals connate ca. 1/2 their lengths, white or tinged with pink, apex blunt;

stamens not exserted;

filaments swollen at base;

anthers inverted at anthesis, with awns;

ovary globose to ovoid;

style ovoid or conic;

stigma simple.

erect to horizontal or nodding;

sepals 5;

petals 5, connate, corolla deciduous, campanulate, lobes ± equaling tube;

intrastaminal nectary disc absent;

stamens 10;

anthers dehiscent by terminal, elongate pores;

ovary 5-locular;

placentation axile;

style straight.

capsular, dehiscence loculicidal.

borne on erect pedicels, globose to ovoid, dehiscent basipetally.

1-10, distinct, ellipsoid, not winged.

= 16.