Persicaria orientalis (L.) Spach
Show more
Details
Persicaria orientalis (L.) Spach (1841)
Persicaria orientalis (L.) Spach
Biostatus
Nomenclature
Classification
Vernacular names
Synonyms
Descriptions
Hairy, fibrous-rooted annual with erect stems 20-150-(250) cm tall. Lvs on main stem similar to those on branches; petiole to c. 10 cm long, densely hispid. Lamina 7-25 × 4-17 cm, ovate, entire, with margin and veins densely hispid above and below, otherwise hairs sparser; base rounded to cordate, broadly cuneate on infl. lvs; apex cuspidate. Ochreae c. 2 cm long on main part of stem, green, with apical lobes prominently setose. Infl. a large open panicle with densely hairy branches terminating in dense pendulous spikes (1)-3-8 cm long; pedicels to 5 mm long, enclosed by bracts until anthesis; bracts 4-6 mm long, scarious, with appressed hairs, densely ciliate. Perianth 3-5 mm long, crimson in bud, somewhat paler at anthesis, accrescent, eglandular; segments broad-ovate to broad-elliptic, imbricate. Nut c. 4 mm long, broad-ovoid and ± biconvex, glossy black, with a shallow depression in the middle on each side.
Taxonomic concepts
Persicaria orientalis (L.) Spach
Persicaria orientalis (L.) Spach
Persicaria orientalis (L.) Spach
Polygonum orientale L.
Persicaria orientalis (L.) Spach
Collections
Metadata
805574bb-1298-4cfd-b9ae-93be959f738c
scientific name
Names_Plants
9 October 2007
5 April 2016