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Gulf River Harperella

Harperella nodosa Rose

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Comprehensive Description

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Ptilimnium viviparum (Rose) Mathias, Brittonia 2: 244. 1936
Harperella vivipara Rose, Contr. U. S. Nat. Herb. 13: 290. 1911. Carum viviparum K.-Pol. Bull. Soc. Nat. Mosc. II. 29: 199. 1916.
Plants 1.5-4.5 dm. high; leaves reduced to fistulose petioles, about 7 cm. long, about 2 mm. broad; peduncles 1-5 cm. long; involucre of very short, lanceolate, acute bracts; involucel of bractlets similar to the bracts; rays 3-7, spreading, subequal, 4—10 mm. long; pedicels 2-8, 1-3 mm. long; calyxteeth conspicuous, deltoid; petals acuminate; anthers light brown (in dried specimens); styles longer than the stylopodium; carpophore 2-cleft to below the middle; fruit ovoid, 1.5-2 mm. long, about 1.5 mm. broad, the lateral ribs corky-thickened, forming a rather
conspicuous band around the fruit.
Type locality: "Near Hancock, Maryland," Rose.
Distribution: Maryland and West Virginia to Virginia (Shreve &* Jones 746).
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bibliographic citation
Albert Charles Smith, Mildred Esther Mathias, Lincoln Constance, Harold William Rickett. 1944-1945. UMBELLALES and CORNALES. North American flora. vol 28B. New York Botanical Garden, New York, NY
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Comprehensive Description

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Ptilimnium nodosum (Rose) Mathias, Brittonia 2: 244. 1936
Harperia nodosa Rose, Proc. U. S. Nat. Mus. 29: 441. 1905. Harperella nodosa Rose, Proc. Biol. Soc. Wash. 19: 96. 1906. Carum nodosum K.-Pol. Bull. Soc. Nat. Mosc. II. 29: 199. 1916.
Plants 5.5-10.5 dm. high, the stems fluted; leaves reduced to fistulose petioles, 18-38 cm. long, 5 mm. broad; peduncles 1-6.5 cm. long; involucre of a few small, lanceolate, entire bracts; involucel of bractlets similar to the bracts, much shorter than the pedicels; rays 6-15, spreading, subequal, 1-2.2 cm. long; pedicels 10-15, 3-6 mm. long; calyx-teeth conspicuous, lanceolate, acuminate; petals acuminate, anthers rose-colored; styles more than twice as long as the stylopodium; carpophore bifid at the apex; fruit ovoid, 1-1.5 mm. long, 1-2 mm. broad, the ribs subequal, the lateral with small corky appendages.
Type locality: "Shallow exsiccated pond near Ellaville, Schley County, Georgia," Harper 1411. Distribution: Georgia {Harper 2220).
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bibliographic citation
Albert Charles Smith, Mildred Esther Mathias, Lincoln Constance, Harold William Rickett. 1944-1945. UMBELLALES and CORNALES. North American flora. vol 28B. New York Botanical Garden, New York, NY
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Harperella

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Harperella is a monotypic genus of flowering plants in the family Apiaceae. Its only species is Harperella nodosa (synonym Ptilimnium nodosum),[3] known as piedmont mock bishopweed[5] and harperella. It is native to riparian environments in the Southeastern United States, found at sites in West Virginia, Maryland, several Southeastern states such as Alabama and North Carolina, and the Ouachita National Forest in Arkansas and Oklahoma.[6][7][8][9][10] As Ptilimnium nodosum, it was placed on the United States' Endangered Species List in 1988.[11]

Taxonomy

The genus was first described by Joseph Nelson Rose in 1905 under the name Harperia. However, this was a later homonym of a genus in the family Restionaceae, and so illegitimate. In 1906, Rose published the replacement name Harperella.[2]

References

  1. ^ "Harperella nodosa (Rose) Rose". The International Plant Names Index. Retrieved 2022-12-17.
  2. ^ a b "Harperella Rose". The International Plant Names Index. Retrieved 2022-12-17.
  3. ^ a b "Harperella Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-12-17.
  4. ^ "Harperella nodosa (Rose) Rose". Plants of the World Online. Royal Botanic Gardens, Kew. Retrieved 2022-12-17.
  5. ^ USDA, NRCS (n.d.). "Ptilimnium nodosum". The PLANTS Database (plants.usda.gov). Greensboro, North Carolina: National Plant Data Team. Retrieved 15 October 2015.
  6. ^ Godfrey, R. K. & J. W. Wooten. 1981. Aquatic and Wetland Plants of Southeastern United States Dicotyledons 1–944. Univ. Georgia Press, Athens
  7. ^ Mathias, M. E. 1936. Studies in the Umbelliferae. V. Brittonia 2(3): 239–245
  8. ^ Radford, A. E., H. E. Ahles & C. R. Bell. 1968. Manual of the Vascular Flora of the Carolinas i–lxi, 1–1183. University of North Carolina Press, Chapel Hill.
  9. ^ Feist, M.A.E., S.R. Downie, A.R. Magee & M. Liu. 2012. Revised generic delimitations for Oxypolis and Ptilimnium (Apiaceae) based on leaf morphology, comparative fruit anatomy, and phylogenetic analysis of nuclear rDNA Its and cpDNA "trnQ-trnK" intergenic spacer sequence data. Taxon 61(2): 402-418.
  10. ^ Buthod, A.K. and B.W. Hoagland. 2013. Noteworthy Collections: Oklahoma. Castanea 78(3): 213-215.
  11. ^ Center for Plant Conservation Archived 2015-09-07 at the Wayback Machine

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Harperella: Brief Summary

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Harperella is a monotypic genus of flowering plants in the family Apiaceae. Its only species is Harperella nodosa (synonym Ptilimnium nodosum), known as piedmont mock bishopweed and harperella. It is native to riparian environments in the Southeastern United States, found at sites in West Virginia, Maryland, several Southeastern states such as Alabama and North Carolina, and the Ouachita National Forest in Arkansas and Oklahoma. As Ptilimnium nodosum, it was placed on the United States' Endangered Species List in 1988.

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