Pityopus

Small in N. L. Britton et al.

in N. L. Britton et al., N. Amer. Fl. 29: 16. 1914 ,.

Etymology: Greek pityos, pine, and pous, foot, alluding to habitat
Treatment appears in FNA Volume 8. Treatment on page 394. Mentioned on page 373.

Herbs, achlorophyllous, heterotrophic. Stems absent. Leaves absent. Inflorescences racemes or cymes, erect at emergence from soil, axis fleshy but not fibrous, usually not persistent after seed dispersal, yellowish to cream, 0.5–2 cm diam. proximal to proximalmost flower. Pedicels erect, elongate in fruit; bracteoles absent. Flowers radially symmetric, erect; sepals 4 (–5), distinct, lateral pair clasping corolla, canoe-shaped, other pair appressed to corolla, flattened; petals 4 (–5), distinct, yellowish to cream, without basal tubercles, (abaxial surfaces glabrate, adaxial surfaces densely hairy), corolla tubular-campanulate; intrastaminal nectary disc present; stamens 8, included; filaments ± uniformly slender, pubescent; anthers horseshoe-shaped, without awns, without tubules, dehiscent by 1 slit; pistil (4–) 5-carpellate; ovary 1-locular; placentation intruded-parietal; style straight, stout; stigma umbilicate, subtended by ring of crowded hairs. Fruits baccate, erect, (fleshy), indehiscent, (axis fleshy). Seeds 25–100, ovoid, not winged.

Distribution

w United States

Discussion

Species 1: w United States.

Species 1

Selected References

None.

... more about "Pityopus"
horseshoe--shaped +
Gary D. Wallace +
Small in N. L. Britton et al. +
yellowish;cream +
persistent +
0.5 cm5 mm <br />0.005 m <br /> (2 cm20 mm <br />0.02 m <br />) +
not fibrous +  and fleshy +
acicular;plane +
coriaceous +
pseudoverticillate +, in basal rosettes +  and alternate +
persistent +  and deciduous +
rotate to crateriform campanulate cylindric globose or urceolate +
w United States +
undifferentiated +
fusiform +
Greek pityos, pine, and pous, foot, alluding to habitat +
unisexual +  and bisexual +
indehiscent +
multicellular +
whorled +, , +, opposite +, pseudoverticillate +  and alternate +
persistent +
scale-like +
reduced +
revolute;plane;toothed;entire;revolute;plane;toothed;entire +
parietal +, axile +  and placentation +
intruded-parietal +
tenuinucellate +  and unitegmic +
distinct +
reduced +
not sticky +
(4-)5-carpellate +
in N. L. Britton et al., N. Amer. Fl. +
distinct +
distinct +
flattened +  and canoe--shaped +
decumbent +  and erect +
peltate +  and capitate +
umbilicate +
straight +
Undefined subfam. Pyroloideae +, Undefined tribe Monotropaceae +  and Undefined tribe Pyrolaceae +
Pityopus +
Ericaceae subfam. Monotropoideae +
evergreen +, deciduous +  and perennial +