Dysphania sect. Orthospora

(R. Brown) Mosyakin & Clemants

Ukrayins’k. Bot. Zhurn., n. s. 59: 382. 2002.

Basionym: Chenopodium sect. Orthosporum R. Brown Prodr., 407. 1810
Treatment appears in FNA Volume 4. Treatment on page 274. Mentioned on page 268.

Plants annual. Leaf-blades with margins sinuate-dentate [to unlobed]. Inflorescences of compact axillary glomerules or cymes. Flowers: perianth segments [4–] 5, distinct nearly to base, partially enclosing fruit; stamens absent or 1 [–2]; styles 2. Seeds vertical.

Distribution

Introduced; Pacific Islands (New Zealand), Australia, some species locally and naturalized in other regions

Discussion

Species 6 (3 in the flora).

Selected References

None.

Mucronate (?) +, Acuminate (?) +, Attenuate (?) +, Acute (?) +  and Obtuse (?) +
Steven E. Clemants +  and Sergei L. Mosyakin +
(R. Brown) Mosyakin & Clemants +
slippery +
aromatic +
cuneate to truncate +
Chenopodium sect. Orthosporum +
lobed +, elliptic +, ovate +, oblanceolate +, lanceolate +  and linear +
persistent +  and deciduous +
reddish-brown +, black +, brown +  and green +
Pacific Islands (New Zealand) +, Australia +  and some species locally and naturalized in other regions +
symmetric +, or +  and uniseriate +
unisexual +  and bisexual +
aromatic +
glabrescent +
compound +  and simple +
reduced +
not winged +  and winged +
lobed +  and serrate-dentate +
crassinucellate +  and bitegmic +
campylotropous +
1 +  and single +
persistent +  and deciduous +
nonadherent +  and adherent +
membranaceous +
Ukrayins’k. Bot. Zhurn., n. s. +
pointing +  and ascending +
basal +, median +  and position +
bulbous +  and taprooted +
fusiform +
fleshy +  and fibrous +
smooth +  and rugose +
subglobose +  and lenticular +
cylindric +
not jointed +  and branched +
opposite +  and alternate +
prostrate +  and decumbent +
ascending +  and erect +
not fleshy +
1 +  and 3 +
filiform +
sessile +  and petiolate +
reduced;small +
horizontal +  and vertical +
verrucate +
Dysphania sect. Orthospora +
Dysphania +
section +
polygamous +, dioecious +  and monoecious +