atoll research bulletin no. 392 the flora of - Smithsonian Institution ...
atoll research bulletin no. 392 the flora of - Smithsonian Institution ...
atoll research bulletin no. 392 the flora of - Smithsonian Institution ...
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Achyran<strong>the</strong>s canescens R. Br.<br />
syn. A. velutina H. & A.<br />
AMARANTHACEAE (Amaranth Family)<br />
Indige<strong>no</strong>us? Extinct? Somewhat shrubby herb, up to 1 rn tall; leaves, up to 12 cm<br />
or longer, opposite, ovate or elliptic, acuminate, slightly blunt; erect unbranched flower<br />
spikes bearing spiny bracts, <strong>of</strong>ten pinkish or purplish, and greenish calyx and corolla<br />
green, about 6 mm long; fruit, 5-seeded, adherent to fur or clothing. Reported by<br />
Schumann (1888) as collected by Finsch; reported present by Burges, 1933; <strong>no</strong>t seen<br />
since. Extinct? 2.<br />
Alternan<strong>the</strong>ra ficoidea L. var. bettzickiana (Reg.) Backer "joyweed", "alternan<strong>the</strong>ra",<br />
" telan<strong>the</strong>ra" , "calico plant"<br />
syns. Telan<strong>the</strong>ra bettzickiana. Reg. ; A. versicolor Reg. ; Alternan<strong>the</strong>ra bettzick-<br />
iana (Reg.) Nichols.<br />
Recent introduction. Brazil. Rare. Small erect variable herb with red branching<br />
stems, 15 to 30 cm high; <strong>no</strong>des usually with tufts <strong>of</strong> white hair; leaves, about 2.5 cm<br />
long, opposite, lanceolate-ovate or ovate, variegated green, pink, red, yellow, and<br />
sometimes cream; petiole equal to or longer than <strong>the</strong> blade; flowers, small white in<br />
sessile heads in axils <strong>of</strong> <strong>the</strong> upper leaves. Planted ornamental border. 6.<br />
Alternan<strong>the</strong>ra sessilis (L.) R. Br. ex R. & S. "joyweed"<br />
syns. Gomphrena sessilis L.; Alterna.n<strong>the</strong>ra denticulata R. Br.; A. <strong>no</strong>dljlora R.<br />
Br.; A. am.0en.a (Lem.) Voss<br />
Recent introduction. Pantropical. Rare. Spreading or semi-prostrate branching<br />
herb, up to about 50 cm long, rooting at <strong>the</strong> lower <strong>no</strong>des; inter<strong>no</strong>des with 2 pubescent<br />
lines; leaves, 1 to 6 cm long and 0.4 to 1 cm wide, opposite, green, narrowly elliptic-<br />
obovate or oblanceolate, obtuse or acutish, minutely too<strong>the</strong>d; petiole up to about 1 cm<br />
long; flowers, white, small, stemless (sessile) in compact headlike clusters in <strong>the</strong> leaf<br />
axils; fruit enclosed in a small bladder which does <strong>no</strong>t split open. Garden weed. 6(188).<br />
Amaranthus dubius Mart. ex Thell. "spleen amaranth"<br />
Recent introduction. Trop. America. Occasional. erect herb, up to about 70<br />
cm high; stem, smooth, except upper portions which are slightly hairy; leaves, 3.5 to 8<br />
cm long and 2 to 5 cm wide, ovate, smooth on both surfaces, margin smooth; petiole, 2<br />
to 7 cm long; flowers, greenish, in dense axillary and terminal clusters, male and female