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Lycopodiaceae.

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Presentation on theme: "Lycopodiaceae."— Presentation transcript:

1 Lycopodiaceae

2 Clubmosses take their name
from the club-like strobilus in which the sprorangia are borne in most species. In the clubmosses, each sporangium is associated with a leaf called a sporophyll.

3 Leaves Leaves = microphylls.

4 Microphylls can be four-ranked, as in Diphasiastrum digitatum ...

5 or they can be spirally arranged, as in Huperzia lucidula

6 Forked branching, branches equal Forked branching, branches unequal

7 Branching in clubmosses
p Branching in clubmosses

8 Gemma of Huperzia lucidula
(and other species)

9 Sporangia are borne on the
upper, or adaxial, surface of the sporophyll.

10 In some species, such as shining clubmoss, sporangia are borne along the stem axis.

11 The sporangia themselves
are reniform (kidney-shaped)

12

13 Lycopodium clavatum, one of about 15 clubmoss spp. in Vermont

14 Huperzia Diphasiastrum Lycopodiella
Some of the clubmoss genera in Vermont Lycopodiella

15 Lycopodium sitchense (alpine) an alpine clubmoss species
Diphasiastrum digitatum, a VT species a tropical epiphytic species

16 Lubricant for draftsman’s work, surgical gloves, and condoms
Economic Uses Lubricant for draftsman’s work, surgical gloves, and condoms Flash Powder (obsolete)

17 Land Plant Phylogeny Bryophytes Lycophytes Ferns Gymnosperms
Angiosperms


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