Timothy M. Jones's Videos

Gynecandrous - a video glossary component at the LSU Herbarium
A video showing the gynecandrous condition of a spike; pistillate flowers distal, staminate flowers proximal. A useful diagnostic character for species determinations within the genus Carex....

1723 views since Aug 31, 2008 08:50

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Spiranthes praecox Rich.
Spiranthes praecox, greenvein lady's tresses, is an orchid native to eastern North America, from eastern Texas to New Jersey. Though many members of the genus are difficult to identify, this...

3014 views since May 6, 2008 07:59

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Chaptalia tomentosa Vent. - Habit and habitat
Habit and habitat of Chaptalia tomentosa. Characters demonstrated include the taxon's glabrous adaxial leaf surfaces, tomentose abaxial leaf surfaces, peduncles, and the involucral bracts...

3523 views since Feb 14, 2008 06:29

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Orchidaceae Morphology: Oncidium cultivar
Orchid morphology of Oncidium. Structures labeled include: petals; sepals; callus; column; column wings; stigma; pollinia and anther cap. Includes a dissection that removes the anther cap to...

2630 views since Jan 7, 2008 05:39

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Carex pachystachya habit and perigynium dissection
Carex pachystachya habit and perigynium dissection. For context, see: Carex Interactive Identification Key.

2508 views since Oct 4, 2007 08:13

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Carex lupulina habit and dissection
Carex lupulina habit and dissection. For context, see: Carex lupulina species page and Carex Interactive Identification Key.

2635 views since Sep 26, 2007 09:37

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Carex intumescens habit and dissection
Carex intumescens habit and perigynium dissection. For context, see: Carex intumescens species page and Carex Interactive Identification Key.

2325 views since Sep 20, 2007 13:24

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Carex squarrosa habit and dissection
Carex squarrosa habitat and perigynium dissection. For context, see: Carex squarrosa species page and Carex Interactive Identification Key.

2310 views since Sep 18, 2007 05:05

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Carex davisii habit and perigynium dissection
Carex davisii habitat, habit, and perigynium dissection to expose achene. For context, see: Carex davisii species page and Carex Interactive Identification Key.

2397 views since Sep 13, 2007 09:16

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Carex oligosperma habit and perigynium dissection
Carex oligosperma habit and perigynium dissection. For context, see: Carex oligosperma species page and Carex Interactive Identification Key.

2664 views since Sep 13, 2007 08:41

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Timothy M. Jones's Videos

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