Xylococcus

Nuttall

Trans. Amer. Philos. Soc., n. s. 8: 258. 1842 ,.

Etymology: Greek xylon, wood, and kokkos, berry, alluding to fruit
Treatment appears in FNA Volume 8. Treatment on page 404. Mentioned on page 375, 397.

Shrubs, burled; bark reddish, shredding. Stems spreading to erect, branching, cinereous-tomentulose. Leaves usually alternate, rarely opposite, bifacial; blade narrowly elliptic, elliptic, or ovate, coriaceous, margins entire, strongly revolute, abaxial surface densely white to cinereous-tomentose, adaxial glabrous. Inflorescences dense panicles, 4–12-flowered, (axis cinereous-tomentulose). Flowers bisexual; sepals persistent, (4–) 5, connate basally, ovate; petals (4–) 5, connate 1/2+ their lengths, white or pink (rose), corolla urceolate; stamens (8–) 10, included; anthers with 2 awns, dehiscent by slitlike pores; filaments elongate, dilated near base, (hairy); ovary (4–) 5-locular, (hairy); stigma capitate. Drupes red to almost black, subglobose, dry, with smooth exocarp and thin pulpy layer; pyrenes 5, connate into smooth, solid stone. Seeds 5, connate. x = 13.

Distribution

s Calif., nw Mexico

Discussion

Species 1: s California, nw Mexico.

Species 1

Selected References

None.

Lower Taxa

... more about "Xylococcus"
cinereous-tomentose +
Laurence J. Dorr +
Nuttall +
not furrowed +
ovate;elliptic;ovate;elliptic +
coriaceous +
rotate to crateriform campanulate cylindric globose or urceolate +
s Calif. +  and nw Mexico +
black +  and red to almost +
subglobose +
undifferentiated +
fusiform +
stonelike +
Greek xylon, wood, and kokkos, berry, alluding to fruit +
dilated +  and elongate +
indehiscent +
multicellular +
opposite +  and alternate +
persistent +
revolute;plane;toothed;entire;revolute;plane;toothed;entire +
parietal +, axile +  and placentation +
tenuinucellate +  and unitegmic +
reduced +
not sticky +
4-5-carpellate +
Trans. Amer. Philos. Soc., n. s. +
connate +
globose +
persistent +
spreading +  and erect +
peltate +  and capitate +
straight +
Undefined tribe Arbuteae +
Xylococcus +
Ericaceae subfam. Arbutoideae +
achlorophyllous +  and chlorophyllous +
evergreen +, deciduous +  and perennial +
heterotrophic +, autotrophic +  and mycotrophic +