Bogs and Acidic Peatlands of Southern New England by Marsha C. Salett
Taxonomy
Rhynchospora capitellata (Michx.) Vahl.
CYPERACEAE (Sedge Family)
EtymologyRhyncospora means with beaked seeds, from the Greek: rhynchos = beak + sporo = seed, sowing; capitellata means with a small head, from the Latin: capit = head + ellem (ella) = diminutive suffix.
Synonyms (Common Name)Brown Beak-sedge
DescriptionBrown beak-rush is a perennial sedge, not a rush. It grows 18-24" tall, often forming dense colonies. Brown beak-rush bears 1-4 roundish, dark brown spikelets.
Wetland indicator statusOBL
Plant Height18-24 inches
LeavesNarrow, 1/8-1/4" wide; leafy bracts subtend spikelets.
Flower/InflorescenceSpikelets 1-4, terminal and axillary, stalked, roundish, to 1/4" long; each comprised of 2 or more small, short-stalked glomerules (densely packed flower clusters); dark brown.
FruitAchene, less than 1/10" long, with 6 minutely barbed bristles shorter or equal to tubercle; awl-shaped tubercle with wide base, half or two-thirds as long as achene.
Fruiting PeriodJuly-October.
HabitatBogs, pond and stream margins, wet sands.
RangeNova Scotia to Ontario and Missouri; south to Florida and Texas.
(c) 1998-2006 Marsha C. Salett