PTERIDOPHYTA

Question 1

Aspleniaceae

Answer 1

Sori and indusia are elongated (linear) along veins

Question 2

Athyriaceae

Answer 2

sori linear/elongate along veins, sometime appearing round; indusia linear or j-shaped (round)

Question 3

Blechnaceae

Answer 3

Sori in chain or linear, often parallel and adjacent to midribs

Question 4

Cibotiaceae

Answer 4

rhizomes densely covered with soft yellowish brown, long hairs

Question 5

Cyatheaceae

Answer 5

arborescent, shoots covered with trichomes or scales

Question 6

Cystopteridaceae

Answer 6

thin-herbaceous lamina, small, round sori with hood-like indusium

Question 7

Davalliaceae

Answer 7

epiphytes with long-creeping and densely scaly rhizomes

Question 8

Dennstaedtiaceae

Answer 8

petioles often with epipetiolar buds

Question 9

Dicksoniaceae

Answer 9

hairs or scales are common on fronds and rhizomes

Question 10

Diplaziopsidaceae

Answer 10

rhizomes are thick and decumbent to erect, grow near streams

Question 11

Dipteridaceae

Answer 11

blades sterile ones cleft into two or often more subequal parts

Question 12

Dryopteridaceae

Answer 12

scales on stipe or rhizome, sori round

Question 13

Gleicheniaceae

Answer 13

blades pseudodichotomously forked

Question 14

Hymenophyllaceae

Answer 14

lamina is usually one cell layer thick

Question 15

Hypodematiaceae

Answer 15

fronds approximate or subclustered; stipe stramineous, base swollen into shuttle form

Question 16

Lindsaeaceae

Answer 16

sori marginal or submarginal, indusia open towards margin

Question 17

Lomariopsidaceae

Answer 17

rhizome short to long creeping or scandent

Question 18

Lygodiaceae

Answer 18

leaves indeterminate, pseudodichotomously branching climbing

Question 19

Marsileaceae

Answer 19

leaves simple or palmate with 2 or 4 sessile leaflets

Question 20

Matoniaceae

Answer 20

leaves are fan-shaped and lobed in narrow segments

Question 21

Nephrolepidaceae

Answer 21

rhizome with peltate scales, sometimes bearing stolons or tubers

Question 22

Oleandraceae

Answer 22

blades simple, leaves articulate

Question 23

Ophioglossaceae

Answer 23

vernation nodding (not circinate)

Question 24

Marratiaceae

Answer 24

roots, stems, and leaves with mucilage canals