Phylum:Myxomycota >> Class: Myxomycetes >> Order: Trichiales | ||||
BCRC Number: | NO BCRC Number! | |||
Scientific Name: | Arcyria obvelata | |||
Author: | =Arcyria nutans (Bull.) Grev., Fl. Edin. 455. 1824. Arcyria obvelata (Oeder) Onsberg, Mycologia 70: 1286. 1978. Embolus obvelatus Oeder, Fl. Dan. f. 9. t. 536. 1770. |
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Description: | Fructification sporangiate, gregarious or tightly clustered in large developments. Sporangia shortly stipitate to nearly sessile, cylindrical, pale ochraceous, drooping, to about 1mm wide and 7 mm long when expanded. Peridium early fugacious cxcept for a basal cup, the calyculus. Calyculus ochraceous, shallow, shining. Stalk yellowish brown, up to 1 mm long. Hypothallus membranous, common to a cluster. Capillitium highly elastic, ochraceous, easily separated from the calyculus when fully expanded, capillitial thread 4.8-6.2 μm in diameter, marked by prominent spines, cogs, and half rings. Spores pale ochraceous in mass, colorless by transmitted light, smooth with scattered warts, 7.5-8.5 (-9.7) μm in diameter. | |||
Specimens: | Pingtung County: Nanjenshan forest, 5 Sept 1995, Y.F. Chen 23; Wan-li-tê Mt., 9 July 1996, Y.F. Chen 267; 4 Sept 1996, Y.F. Chen 307. |
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Habitat: | On decaying wood or dead wood. | |||
Distribution: | Cosmopolitan. |
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References: | Nannenga-Bremekamp, NE. 1991; Hattori, H. 1935. |
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Provided: | C. H. Liu |
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Note: | The long, pale ochraceous and shortly stipitate sporangia which are drooping at maturity are distinct characters separating this species from other species of Arcyria. | |||