Hemitomes

A. Gray in War Department [U.S.]

in War Department [U.S.], Pacif. Railr. Rep. 6(3): 80, plate 12. 1858 ,.

Etymology: Greek hemitomias, half eunuch, alluding to presumed sterility of one anther sac
Treatment appears in FNA Volume 8. Treatment on page 395. Mentioned on page 373.
 TaxonIllustrator 
FNA8 P46 Hemitomes congestum.jpegHemitomes
Hemitomes congestum
Pleuricospora
Pleuricospora fimbriolata
Arbutus
Arbutus menziesii
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey
Yevonn Wilson-Ramsey

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, pink to cream, 1–4 cm diam. proximal to proximalmost flower. Pedicels erect, somewhat elongate in fruit; bracteoles absent. Flowers radially symmetric, erect; sepals absent or 2–4 (–5), distinct, lateral pair clasping corolla, canoe-shaped, other pair appressed to corolla, flattened; petals 4 (–5), connate, cream to pink, without basal tubercles, (abaxial surfaces glabrous, adaxial surfaces densely hairy), corolla tubular-campanulate; intrastaminal nectary disc present; stamens 8 (–10), included; filaments ± uniformly slender, hairy; anthers elongate, without awns, without tubules, dehiscent by 2 elongate, gaping slits, sacs not connate; pistil 5-carpellate; ovary 1-locular; placentation intruded-parietal; style straight, stout; stigma umbilicate, subtended by ring of hairs. Fruits baccate, erect, (fleshy), indehiscent, (axis fleshy). Seeds 25–100, ovoid, not winged. x = 52.

Distribution

w North America

Discussion

Species 1: w North America.

Species 1

Selected References

None.

... more about "Hemitomes"
elongate +
Gary D. Wallace +
A. Gray in War Department [U.S.] +
pink;cream +
persistent +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 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 +
tubular-campanulate +
w North America +
undifferentiated +
fusiform +
Greek hemitomias, half eunuch, alluding to presumed sterility of one anther sac +
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 +
reduced +
not sticky +
in War Department [U.S.], Pacif. Railr. Rep. +
not connate +
tan;yellowish-brown or brown +
distinct +
distinct +
2 +  and 4 +
flattened +  and canoe--shaped +
elongate +
decumbent +  and erect +
hairy +  and glabrous +
peltate +  and capitate +
umbilicate +
straight +
Undefined subfam. Pyroloideae +, Undefined tribe Monotropaceae +  and Undefined tribe Pyrolaceae +
Hemitomes +
Ericaceae subfam. Monotropoideae +
evergreen +, deciduous +  and perennial +