Pityopsis graminifolia
| Pityopsis graminifolia | |
|---|---|
| |
| Photo by Michelle Smith | |
| Scientific classification | |
| Kingdom: | Plantae |
| Division: | Magnoliophyta - Flowering plants |
| Class: | Magnoliopsida – Dicotyledons |
| Order: | Asterales |
| Family: | Asteraceae |
| Genus: | Pityopsis |
| Species: | P. graminifolia |
| Binomial name | |
| Pityopsis graminifolia (Michx.) Nutt. | |
| |
| Natural range of Pityopsis graminifolia from USDA NRCS Plants Database. | |
Common name: Narrowleaf silkgrass
Contents
Taxonomic notes
Synonyms: Pityopsis graminifolia (Michaux) Nuttall var. graminifolia; Heterotheca nervosa (Willdenow) Shinners var. microcephala (Small) Shinners ex H.E. Ahles; Chrysopsis graminifolia (Michaux) Elliott var. graminifolia; Pityopsis microcephala (Small) Small; Chrysopsis graminifolia (Michaux) Elliott var. microcephala (Small) Cronquist; Heterotheca microcephala (Small) Shinners var. microcephala
Variety: Pityopsis graminifolia (Michaux) Nuttall var. latifolia Fernald; Pityopsis graminifolia (Michaux) Nuttall var. tenuifolia (Torrey) Semple & F.D. Bowers; Pityopsis graminifolia (Michaux) Nuttall var. graminifolia
Description
A description of Pityopsis graminifolia is provided in The Flora of North America.
Distribution
Ecology
Habitat
Pityopsis graminifolia is restricted to native groundcover with a statistical affinity in upland pinelands of South Georgia.[1] This species is considered an indicator of non-agriculture history in frequently burned longleaf pine habitats.[2]
Phenology
P. graminifolia has been observed flowering in January, April, May, July, and from September to December.[3]
Seed dispersal
This species disperses by wind. [4]
Fire ecology
May or may not show fire-stimulated flowering, depending on variety or ecotype. [5] [6] [7]
Pollination
The following Hymenoptera families and species were observed visiting flowers of Pityopsis graminifolia at Archbold Biological Station. [8]
Andrenidae: Andrena fulvipennis
Apidae: Bombus impatiens, Epeolus pusillus, Nomada fervida
Colletidae: Colletes mandibularis
Halictidae: Agapostemon splendens, Augochlora pura, Augochlorella aurata, Augochloropsis anonyma, A. metallica, A. sumptuosa, Halictus poeyi, Lasioglossum miniatulus, L. nymphalis, L. pectoralis, L. placidensis
Leucospididae: Leucospis robertsoni
Megachilidae: Anthidiellum notatum rufomaculatum, A. perplexum, Anthidium maculifrons, Coelioxys octodentata, C. sayi, C. texana, Dianthidium floridiense, Megachile albitarsis, M. brevis pseudobrevis, M. georgica, M. inimica, M. mendica, M. petulans, M. pruina
Sphecidae: Bicyrtes capnoptera, Cerceris tolteca, Philanthus ventilabris, Prionyx thomae, Trypargilum clavatum johannis
Vespidae: Parancistrocerus salcularis rufulus, Stenodynerus beameri
Use by animals
Buds fed upon by white-tailed deer.[9] Common grasshoppers, including Melanopus angustipennis as well as grasshoppers in the subfamilies Melanoplinae and Cyrtacanthacridinae, are mixed feeders and often feed on Pityopsis graminifolia. This plant is quite susceptible to herbivory, but overall herbivory has weak effects on biomass and mortality.[2]
Conservation and management
Cultivation and restoration
Photo Gallery
References and notes
- ↑ Ostertag, T.E., and K.M. Robertson. 2007. A comparison of native versus old-field vegetation in upland pinelands managed with frequent fire, South Georgia, USA. Pages 109–120 in R.E. Masters and K.E.M. Galley (eds.). Proceedings of the 23rd Tall Timbers Fire Ecology Conference: Fire in Grassland and Shrubland Ecosystems.
- ↑ 2.0 2.1 Hahn, P. C. and J. L. Orrock (2015). "Land-use legacies and present fire regimes interact to mediate herbivory by altering the neighboring plant community." Oikos 124: 497-506.
- ↑ Nelson, G. PanFlora: Plant data for the eastern United States with emphasis on the Southeastern Coastal Plains, Florida, and the Florida Panhandle. www.gilnelson.com/PanFlora/ Accessed: 12 DEC 2016
- ↑ Kirkman, L. Katherine. Unpublished database of seed dispersal mode of plants found in Coastal Plain longleaf pine-grasslands of the Jones Ecological Research Center, Georgia.
- ↑ Brewer J.S. 1995. The relationship between soil fertility and fire-stimulated floral induction in two populations of grass-leaved golden aster, Pityopsis graminifolia. Oikos 74:45-54.
- ↑ Brewer, J. S. 2009. Geographic variation in flowering responses to fire and season of clipping in a fire-adapted plant. American Midland Naturalist 160:235-249.
- ↑ Gowe, A.K. and J. S. Brewer. 2005. The evolution of fire-dependent flowering in goldenasters (Pityopsis spp.). Journal of the Torrey Botanical Society 132:384-400.
- ↑ Deyrup, M.A. and N.D. 2015. Database of observations of Hymenoptera visitations to flowers of plants on Archbold Biological Station, Florida, USA.
- ↑ Brewer J.S. and Platt W.J. 1994. Effects of fire season and herbivory on reproductive success of a clonal forb, Pityopsis graminifolia. Journal of Ecology 82:665-675.
