Difference between revisions of "Pyxidanthera"

Michaux

Fl. Bor.-Amer. 1: 152, plate 17. 1803 ,.

Common names: Pyxie-moss pyxie flowering-moss
Etymology: Greek pyxidos, small box, and antheros, anther, alluding to opening of anthers by transverse slit, simulating box lid
Treatment appears in FNA Volume 8. Treatment on page 336. Mentioned on page 332, 333, 337.
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Latest revision as of 22:45, 5 November 2020

Subshrubs, creeping, mat-forming, caulescent, rhizomatous, from adventitiously rooted, slender, woody stems. Stems: main stems mostly prostrate to decumbent, branched; branches prostrate to decumbent. Leaves cauline, alternate, often densely congested, 2–7(–10) mm; petiole absent; blade narrowly oblanceolate to lanceolate or ovate-lanceolate, margins entire, apex acute, minutely apiculate, surfaces glabrous or hairy, appearing 1-veined. Inflorescences solitary flowers, usually at tips of short, leafy branches, sessile. Flowers: sepals connate proximally; petals connate in proximal 2/5–1/2, corolla rotate, 2–5 mm, lobes white, margins entire or slightly erose; anthers 2-locular, basally spurred, transversely dehiscent; filaments adnate to corolla tube; staminodes absent. x = 6.

Distribution

se United States.

Discussion

Species 2 (2 in the flora).

Key

1 Leaf blades narrowly oblanceolate to lanceolate, 3.5-7(-10) mm, those of fertile shoots ciliate along proximal margins, adaxial surface usually white-pilose on proximal 1/5-1/3. Pyxidanthera barbulata
1 Leaf blades ovate-lanceolate to obovate-lanceolate, usually 2-4 mm, those of fertile shoots eciliate, adaxial surface white-pilose throughout. Pyxidanthera brevifolia
... more about "Pyxidanthera"
Bruce A. Sorrie +, Alan S. Weakley +  and Guy L. Nesom +
Michaux +
Pyxie-moss +, pyxie +  and flowering-moss +
se United States. +
Greek pyxidos, small box, and antheros, anther, alluding to opening of anthers by transverse slit, simulating box lid +
Fl. Bor.-Amer. +
godt1995a +  and primack1975a +
Pyxidanthera +
Diapensiaceae +