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Galium triflorum

(Fragrant Bedstraw, Sweet Bedstraw, Sweet-Scent Bedstraw, Sweet-Scented Bedstraw, Sweetscented Bedstraw)

Interesting Facts:

  • This plant was once dried and used as mattress stuffing. It becomes more fragrant when it is dried.
  • The tiny white flowers are in groups of 3.

Conservation Status

Population Analysis

  • For the 835,580 species in the Class Magnoliopsida (Dicotyledons), we average 4.30 observations each in our database; for the Sweet-Scented Bedstraw, we have 496 observations. Compared to other species in this Class, this species is extremely common.
  • A two-sample t-test can be used to determine whether the trend in observations of the Sweet-Scented Bedstraw is the same as the trend in observations of Magnoliopsida. Is this species just as common, as a proportion of all observations, as it once was? The answer is no, changes in observation rate of this species significantly differ from changes in observation rate of its Class. (t=9.862, p<0.001)
  • How do observation rates of the Sweet-Scented Bedstraw differ from those of Magnoliopsida? To answer this, we examined the percentage of observerations for Magnoliopsida that were observations of the Sweet-Scented Bedstraw each year. We then correlated this percentage with observation year. If observations of the Sweet-Scented Bedstraw are becoming more common relative to other species of Magnoliopsida, the correlation should be positive, but if it is becoming less common, the correlation should be negative. In fact, the correlation is negative (r=-.55), with a negative slope (m = -.000), suggesting that the Sweet-Scented Bedstraw may be in decline relative to other species of Magnoliopsida. This correlation is statistically significant. (F = 53.28, p<.05)
  • The scatter chart to the right shows the percentage of all observations for Magnoliopsida each year that were observations of the Sweet-Scented Bedstraw.

Taxonomy

  • Domain: Eukaryota Whittaker & Margulis,1978 - eukaryotes
    • Kingdom: Plantae Haeckel, 1866 - Plants
      • Subkingdom: Viridaeplantae Cavalier-Smith, 1981 - Green Plants
        • Phylum: Tracheophyta Sinnott, 1935 ex Cavalier-Smith, 1998 - Vascular Plants
          • Subphylum: Spermatophytina (auct.) Cavalier-Smith, 1998 - Seed Plants
            • Infraphylum: Angiospermae auct.
              • Class: Magnoliopsida Brongniart, 1843 - Dicotyledons
                • Subclass: Lamiidae Takhtajan ex Reveal, 1992
                  • Superorder: Gentiananae Thorne ex Reveal, 1992
                    • Order: Rubiales Dumortier, 1829
                      • Family: Rubiaceae (rich-AR-dee-uh) A.L. de Jussieu, 1789 - Coffee Family
                        • Subfamily: Rubioideae
                          • Tribe: Delphinieae
                            • Genus: Galium (GAL-ee-um) Linnaeus, 1753 - Bedstraw
                              • Specific epithet: triflorum Michx.
                                • Botanical name: Galium triflorum Michx.

Unambiguous Synonyms:

  1. Asperula galioides Jacquem. ex Hook.f.
  2. Galium brachiatum Pursh
  3. Galium bryophyllum Goldb. ex DC.
  4. Galium cuspidatum Muhl.
  5. Galium gratum Wall.
  6. Galium jalapense Schltdl.
  7. Galium longicaule Raf.
  8. Galium obovatum Schltdl. & Cham.
  9. Galium paridifolium Eschsch. ex Ledeb.
  10. Galium pennsylvanicum W.P.C.Barton
  11. Galium suaveolens Wahlb.
  12. Galium triflorum var. asprelliforme Fernald
  13. Galium triflorum var. bryophyllum (Goldb. ex DC.) Nyman
  14. Galium triflorum forma glabrum Leyendecker
  15. Galium triflorum forma hispidum Leyendecker
  16. Galium triflorum forma rollandii Vict.
  17. Galium triflorum var. viridiflorum DC.

Notes:

Name Status: Accepted Name.

Physical Description

Family Rubiaceae:

The Rubiaceae are trees, shrubs, or infrequently herbs comprising about 450 genera and 6,500 species, including some lianous forms. The leaves are simple and usually entire, and are opposite or sometimes whorled; stipules are present and interpetiolar. The flowers are nearly always bisexual and actinomorphic, often heterostylous, and usually are in cymose inflorescences. The calyx is mostly somewhat reduced and 4-5-lobed or sometimes the lobes are obsolete or rarely one of them greatly expanded and brightly colored. The sympetalous corolla is mostly 4-5-lobed, occasionally with 3 or up to 10 lobes. The androecium consists of as many stamens as corolla lobes and is adnate to the corolla tube or epigynous zone, alternate with the lobes. The gynoecium consists of a single compound pistil of 2 or seldom more carpels, a single style, and a nearly always inferior ovary with the number of locules equaling the number of carpels, each with 1-many axile ovules. An epigynous nectary disk is usually present. The fruit is variable, sometimes forming multiples. -- Gerald Carr.

Habit: Forb/herb

Flowers: Dense clusters of tiny, fragrant flowers bloom in April, May, June, July. • Bloom Period: June. • Flower Color: near white, pale green, white

Foliage: Summer foliage: Bright green emergent foliage matures as dark green. Hay-scented leaves are hairy underneath, in whorls of 8-12 on stems. Leaflet is lanceolate or narrow elliptical.

Images:

Distribution

Landscaping

Landscape Uses: Excellent for shady rock garden. Beautiful groundcover for partial shade and moist, loamy soil. Mass planting. Embankments. Borders. Naturalized areas. • Care: Deer resistant. Drought tolerant (will seem to die back, but will recover when moisture returns). Low maintenance. Can be grown under black walnut trees. Deadhead to prevent self-sowing, if you wish to prevent volunteers. Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Control weeds until the plants have filled in. Feed with a general purpose fertilizer.

Reproduction

Duration: Perennial

Growth

Culture: Great groundcover for a shady spot. Self-sows freely, spreads quickly. Spreads slowly at its perimeter by the procumbent rooting stems. Propagate by separating rooted stems, by crown division, or digging the submerged perimeter stolons.

Soil: Soil: Needs good organic, moist, well-drained soil. Tolerates average, well-drained, dry, thin soils.

Sunlight: Sun Exposure: Partial to full shade. Prefers partial shade.

Moisture: Water Requirements: Water regularly, before top 3 in. of soil becomes dry, particularly in hot dry summers.

Temperature: Cold Hardiness: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b. (map)

Similar Species

Members of the genus Galium:

There are approximately 1,268 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them: G. abaujense abaujense · G. abaujense polonicum · G. album amani · G. album prusense · G. album suberectum · G. ambiguum siskiyouense · G. angustifolium foliosum · G. angustifolium onycense · G. aparine agreste · G. bourgeanum maroccanum · G. brevifolium brevifolium · G. brockmannii aterratzense · G. brockmannii brockmannii · G. canum antalyense · G. canum canum · G. capense namaquense · G. demissum demissum · G. demissum stojanovii · G. ferrugineum ferrugineum · G. ferrugineum jamesonii · G. floribundum airoides · G. floribundum floribundum · G. fuscum altiplanicum · G. fuscum fuscum · G. fuscum guerrericum · G. gilliesii gilliesii · G. gilliesii telanthos · G. glabrescens glabrescens · G. glabrescens harticum · G. glabrescens josephinense · G. glabrescens modocense · G. humifusum besseranum · G. hypocarpium alluviale · G. hypocarpium buxifolium · G. hypocarpium titicacum · G. incanum libanoticum · G. incanum pseudocornigerum · G. lucidum bernardii · G. lucidum krendlii · G. lucidum venustum · G. mexicanum asperrimum · G. moranii aculeolatum · G. moranii moranii · G. noxium noxium · G. obtusum filifolium · G. orizabense orizabense · G. paradoxum duthiei · G. paradoxum franchetianum · G. paradoxum paradoxum · G. plumosum flossdorfii · G. plumosum plumosum · G. pumilum fleurotii · G. richardianum haenkeanum · G. richardianum pusillum · G. saxatile saxatile · G. sellowianum pubiflorum · G. spurium ibicinum · G. stebbinsii siskiyouense · G. stebbinsii stebbinsii · G. tenuissium trichophorum · G. timeroyi fleurotii · G. timeroyi timeroyi · G. tinctorium floridanum · G. trifidum brevipes · G. trifidum halophilum · G. valdepilosum slesvicense · G. valdepilosum valdepilosum · G. verrucosum halophilum · G. abaujense · G. abaujense subsp. polonicum · G. aberrans · G. abruptorum · G. absurdum · G. achurense · G. aculeatissimum · G. aculeatum · G. acuminatum · G. acutum · G. acutum var. acutum · G. acutum var. himalayense · G. adhaerens · G. advenum · G. aegeum · G. aegeum f. pubescens · G. aetnicum · G. afro-alpinum · G. afro-pusillum · G. afropusillum · G. agrophilum · G. aladaghense · G. alba · G. alberti · G. albertii · G. albo-lutescens · G. album (Hedge Bedstraw) · G. album album · G. album f. pubescens · G. album pycnotrichum · G. album subsp. amani · G. album subsp. prusense

More Info

Notes

Contributors:

Data Sources:

Accessed through GBIF Data Portal November 14, 2007:

Identifiers:

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Last Revised: April 30, 2008